251487129

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1\times {\mathrm{1481}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 354043872

約数和(自身を除く): 102556743

約数列:

[1, 3, 23, 69, 107, 321, 529, 1481, 1587, 2461, 4443, 7383, 34063, 56603, 102189, 158467, 169809, 475401, 783449, 2350347, 3644741, 10934223, 83829043, 251487129]

約数ペア:

[(1, 251487129), (3, 83829043), (23, 10934223), (69, 3644741), (107, 2350347), (321, 783449), (529, 475401), (1481, 169809), (1587, 158467), (2461, 102189), (4443, 56603), (7383, 34063)]