6991515

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 12783408

約数和(自身を除く): 5791893

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 283, 305, 405, 549, 849, 915, 1415, 1647, 2547, 2745, 4245, 4941, 7641, 8235, 12735, 17263, 22923, 24705, 38205, 51789, 86315, 114615, 155367, 258945, 466101, 776835, 1398303, 2330505, 6991515]

約数ペア:

[(1, 6991515), (3, 2330505), (5, 1398303), (9, 776835), (15, 466101), (27, 258945), (45, 155367), (61, 114615), (81, 86315), (135, 51789), (183, 38205), (283, 24705), (305, 22923), (405, 17263), (549, 12735), (849, 8235), (915, 7641), (1415, 4941), (1647, 4245), (2547, 2745)]