1871658945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 3847813632

約数和(自身を除く): 1976154687

約数列:

[1, 3, 5, 9, 13, 15, 17, 31, 39, 45, 51, 65, 85, 93, 117, 153, 155, 169, 195, 221, 255, 279, 403, 465, 467, 507, 527, 585, 663, 765, 845, 1105, 1209, 1395, 1401, 1521, 1581, 1989, 2015, 2335, 2535, 2635, 2873, 3315, 3627, 4203, 4743, 5239, 6045, 6071, 6851, 7005, 7605, 7905, 7939, 8619, 9945, 14365, 14477, 15717, 18135, 18213, 20553, 21015, 23715, 23817, 25857, 26195, 30355, 34255, 39695, 43095, 43431, 47151, 54639, 61659, 71451, 72385, 78585, 78923, 89063, 91065, 102765, 103207, 119085, 129285, 130293, 188201, 217155, 235755, 236769, 246109, 267189, 273195, 308295, 309621, 357255, 394615, 445315, 516035, 564603, 651465, 710307, 738327, 801567, 928863, 941005, 1183845, 1230545, 1335945, 1341691, 1548105, 1693809, 2214981, 2446613, 2823015, 3199417, 3551535, 3691635, 4007835, 4025073, 4644315, 6708455, 7339839, 8469045, 9598251, 11074905, 12075219, 12233065, 15997085, 20125365, 22019517, 28794753, 36699195, 41592421, 47991255, 60376095, 110097585, 124777263, 143973765, 207962105, 374331789, 623886315, 1871658945]

約数ペア:

[(1, 1871658945), (3, 623886315), (5, 374331789), (9, 207962105), (13, 143973765), (15, 124777263), (17, 110097585), (31, 60376095), (39, 47991255), (45, 41592421), (51, 36699195), (65, 28794753), (85, 22019517), (93, 20125365), (117, 15997085), (153, 12233065), (155, 12075219), (169, 11074905), (195, 9598251), (221, 8469045), (255, 7339839), (279, 6708455), (403, 4644315), (465, 4025073), (467, 4007835), (507, 3691635), (527, 3551535), (585, 3199417), (663, 2823015), (765, 2446613), (845, 2214981), (1105, 1693809), (1209, 1548105), (1395, 1341691), (1401, 1335945), (1521, 1230545), (1581, 1183845), (1989, 941005), (2015, 928863), (2335, 801567), (2535, 738327), (2635, 710307), (2873, 651465), (3315, 564603), (3627, 516035), (4203, 445315), (4743, 394615), (5239, 357255), (6045, 309621), (6071, 308295), (6851, 273195), (7005, 267189), (7605, 246109), (7905, 236769), (7939, 235755), (8619, 217155), (9945, 188201), (14365, 130293), (14477, 129285), (15717, 119085), (18135, 103207), (18213, 102765), (20553, 91065), (21015, 89063), (23715, 78923), (23817, 78585), (25857, 72385), (26195, 71451), (30355, 61659), (34255, 54639), (39695, 47151), (43095, 43431)]