2158065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 96

約数和(自身を含む): 5031936

約数和(自身を除く): 2873871

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 31, 35, 39, 45, 51, 63, 65, 85, 91, 93, 105, 117, 119, 153, 155, 195, 217, 221, 255, 273, 279, 315, 357, 403, 455, 465, 527, 585, 595, 651, 663, 765, 819, 1071, 1085, 1105, 1209, 1365, 1395, 1547, 1581, 1785, 1953, 1989, 2015, 2635, 2821, 3255, 3315, 3627, 3689, 4095, 4641, 4743, 5355, 6045, 6851, 7735, 7905, 8463, 9765, 9945, 11067, 13923, 14105, 18135, 18445, 20553, 23205, 23715, 25389, 33201, 34255, 42315, 47957, 55335, 61659, 69615, 102765, 126945, 143871, 166005, 239785, 308295, 431613, 719355, 2158065]

約数ペア:

[(1, 2158065), (3, 719355), (5, 431613), (7, 308295), (9, 239785), (13, 166005), (15, 143871), (17, 126945), (21, 102765), (31, 69615), (35, 61659), (39, 55335), (45, 47957), (51, 42315), (63, 34255), (65, 33201), (85, 25389), (91, 23715), (93, 23205), (105, 20553), (117, 18445), (119, 18135), (153, 14105), (155, 13923), (195, 11067), (217, 9945), (221, 9765), (255, 8463), (273, 7905), (279, 7735), (315, 6851), (357, 6045), (403, 5355), (455, 4743), (465, 4641), (527, 4095), (585, 3689), (595, 3627), (651, 3315), (663, 3255), (765, 2821), (819, 2635), (1071, 2015), (1085, 1989), (1105, 1953), (1209, 1785), (1365, 1581), (1395, 1547)]