1617758973

素因数分解:

$3^4\times {\mathrm{1931}}^1\times {\mathrm{10343}}^1$

素因数の和:12286

約数の個数: 20

約数和(自身を含む): 2418137568

約数和(自身を除く): 800378595

約数列:

[1, 3, 9, 27, 81, 1931, 5793, 10343, 17379, 31029, 52137, 93087, 156411, 279261, 837783, 19972333, 59916999, 179750997, 539252991, 1617758973]

約数ペア:

[(1, 1617758973), (3, 539252991), (9, 179750997), (27, 59916999), (81, 19972333), (1931, 837783), (5793, 279261), (10343, 156411), (17379, 93087), (31029, 52137)]