156786191973

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{242449}}^1$

素因数の和:243058

約数の個数: 32

約数和(自身を含む): 238105296000

約数和(自身を除く): 81319104027

約数列:

[1, 3, 9, 27, 43, 129, 387, 557, 1161, 1671, 5013, 15039, 23951, 71853, 215559, 242449, 646677, 727347, 2182041, 6546123, 10425307, 31275921, 93827763, 135044093, 281483289, 405132279, 1215396837, 3646190511, 5806895999, 17420687997, 52262063991, 156786191973]

約数ペア:

[(1, 156786191973), (3, 52262063991), (9, 17420687997), (27, 5806895999), (43, 3646190511), (129, 1215396837), (387, 405132279), (557, 281483289), (1161, 135044093), (1671, 93827763), (5013, 31275921), (15039, 10425307), (23951, 6546123), (71853, 2182041), (215559, 727347), (242449, 646677)]