131221026

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{105653}}^1$

素因数の和:105687

約数の個数: 32

約数和(自身を含む): 304283520

約数和(自身を除く): 173062494

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 105653, 211306, 316959, 633918, 950877, 1901754, 2430019, 2852631, 4860038, 5705262, 7290057, 14580114, 21870171, 43740342, 65610513, 131221026]

約数ペア:

[(1, 131221026), (2, 65610513), (3, 43740342), (6, 21870171), (9, 14580114), (18, 7290057), (23, 5705262), (27, 4860038), (46, 2852631), (54, 2430019), (69, 1901754), (138, 950877), (207, 633918), (414, 316959), (621, 211306), (1242, 105653)]