257112147

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 367234560

約数和(自身を除く): 110122413

約数列:

[1, 3, 23, 59, 69, 137, 177, 411, 461, 1357, 1383, 3151, 4071, 8083, 9453, 10603, 24249, 27199, 31809, 63157, 81597, 185909, 189471, 557727, 625577, 1452611, 1876731, 3726263, 4357833, 11178789, 85704049, 257112147]

約数ペア:

[(1, 257112147), (3, 85704049), (23, 11178789), (59, 4357833), (69, 3726263), (137, 1876731), (177, 1452611), (411, 625577), (461, 557727), (1357, 189471), (1383, 185909), (3151, 81597), (4071, 63157), (8083, 31809), (9453, 27199), (10603, 24249)]