204078123

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 313643616

約数和(自身を除く): 109565493

約数列:

[1, 3, 9, 27, 61, 81, 103, 183, 309, 401, 549, 927, 1203, 1647, 2781, 3609, 4941, 6283, 8343, 10827, 18849, 24461, 32481, 41303, 56547, 73383, 123909, 169641, 220149, 371727, 508923, 660447, 1115181, 1981341, 2519483, 3345543, 7558449, 22675347, 68026041, 204078123]

約数ペア:

[(1, 204078123), (3, 68026041), (9, 22675347), (27, 7558449), (61, 3345543), (81, 2519483), (103, 1981341), (183, 1115181), (309, 660447), (401, 508923), (549, 371727), (927, 220149), (1203, 169641), (1647, 123909), (2781, 73383), (3609, 56547), (4941, 41303), (6283, 32481), (8343, 24461), (10827, 18849)]