64311975

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:391

約数の個数: 120

約数和(自身を含む): 147039200

約数和(自身を除く): 82727225

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 27, 35, 39, 45, 63, 65, 75, 81, 91, 105, 117, 135, 175, 189, 195, 225, 273, 315, 325, 349, 351, 405, 455, 525, 567, 585, 675, 819, 945, 975, 1047, 1053, 1365, 1575, 1745, 1755, 2025, 2275, 2443, 2457, 2835, 2925, 3141, 4095, 4537, 4725, 5235, 5265, 6825, 7329, 7371, 8725, 8775, 9423, 12215, 12285, 13611, 14175, 15705, 20475, 21987, 22685, 26175, 26325, 28269, 31759, 36645, 36855, 40833, 47115, 61075, 61425, 65961, 68055, 78525, 95277, 109935, 113425, 122499, 141345, 158795, 183225, 184275, 197883, 204165, 235575, 285831, 329805, 340275, 367497, 476385, 549675, 612495, 706725, 793975, 857493, 989415, 1020825, 1429155, 1649025, 1837485, 2381925, 2572479, 3062475, 4287465, 4947075, 7145775, 9187425, 12862395, 21437325, 64311975]

約数ペア:

[(1, 64311975), (3, 21437325), (5, 12862395), (7, 9187425), (9, 7145775), (13, 4947075), (15, 4287465), (21, 3062475), (25, 2572479), (27, 2381925), (35, 1837485), (39, 1649025), (45, 1429155), (63, 1020825), (65, 989415), (75, 857493), (81, 793975), (91, 706725), (105, 612495), (117, 549675), (135, 476385), (175, 367497), (189, 340275), (195, 329805), (225, 285831), (273, 235575), (315, 204165), (325, 197883), (349, 184275), (351, 183225), (405, 158795), (455, 141345), (525, 122499), (567, 113425), (585, 109935), (675, 95277), (819, 78525), (945, 68055), (975, 65961), (1047, 61425), (1053, 61075), (1365, 47115), (1575, 40833), (1745, 36855), (1755, 36645), (2025, 31759), (2275, 28269), (2443, 26325), (2457, 26175), (2835, 22685), (2925, 21987), (3141, 20475), (4095, 15705), (4537, 14175), (4725, 13611), (5235, 12285), (5265, 12215), (6825, 9423), (7329, 8775), (7371, 8725)]