291227261

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1697}}^1$

素因数の和:2060

約数の個数: 16

約数和(自身を含む): 322158144

約数和(自身を除く): 30930883

約数列:

[1, 13, 43, 307, 559, 1697, 3991, 13201, 22061, 72971, 171613, 520979, 948623, 6772727, 22402097, 291227261]

約数ペア:

[(1, 291227261), (13, 22402097), (43, 6772727), (307, 948623), (559, 520979), (1697, 171613), (3991, 72971), (13201, 22061)]