161888541

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{42457}}^1$

素因数の和:42532

約数の個数: 16

約数和(自身を含む): 228254208

約数和(自身を除く): 66365667

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 42457, 127371, 1316167, 1740737, 3948501, 5222211, 53962847, 161888541]

約数ペア:

[(1, 161888541), (3, 53962847), (31, 5222211), (41, 3948501), (93, 1740737), (123, 1316167), (1271, 127371), (3813, 42457)]