151720863

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{51977}}^1$

素因数の和:52126

約数の個数: 16

約数和(自身を含む): 232861440

約数和(自身を除く): 81140577

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 51977, 155931, 363839, 1091517, 7224803, 21674409, 50573621, 151720863]

約数ペア:

[(1, 151720863), (3, 50573621), (7, 21674409), (21, 7224803), (139, 1091517), (417, 363839), (973, 155931), (2919, 51977)]