205122357

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 344215872

約数和(自身を除く): 139093515

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 307, 397, 561, 921, 1191, 1683, 2763, 3377, 3573, 4367, 5219, 6749, 10131, 13101, 15657, 20247, 30393, 39303, 46971, 57409, 60741, 74239, 121879, 172227, 222717, 365637, 516681, 668151, 1096911, 1340669, 2071943, 4022007, 6215829, 12066021, 18647487, 22791373, 68374119, 205122357]

約数ペア:

[(1, 205122357), (3, 68374119), (9, 22791373), (11, 18647487), (17, 12066021), (33, 6215829), (51, 4022007), (99, 2071943), (153, 1340669), (187, 1096911), (307, 668151), (397, 516681), (561, 365637), (921, 222717), (1191, 172227), (1683, 121879), (2763, 74239), (3377, 60741), (3573, 57409), (4367, 46971), (5219, 39303), (6749, 30393), (10131, 20247), (13101, 15657)]