13221711

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 21187584

約数和(自身を除く): 7965873

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 151, 207, 423, 453, 621, 1081, 1269, 1359, 1863, 3243, 3473, 3807, 4077, 7097, 9729, 10419, 12231, 21291, 29187, 31257, 63873, 87561, 93771, 163231, 191619, 281313, 489693, 574857, 1469079, 4407237, 13221711]

約数ペア:

[(1, 13221711), (3, 4407237), (9, 1469079), (23, 574857), (27, 489693), (47, 281313), (69, 191619), (81, 163231), (141, 93771), (151, 87561), (207, 63873), (423, 31257), (453, 29187), (621, 21291), (1081, 12231), (1269, 10419), (1359, 9729), (1863, 7097), (3243, 4077), (3473, 3807)]