258351687

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{289957}}^1$

素因数の和:289980

約数の個数: 20

約数和(自身を含む): 421019016

約数和(自身を除く): 162667329

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 289957, 869871, 2609613, 3189527, 7828839, 9568581, 23486517, 28705743, 86117229, 258351687]

約数ペア:

[(1, 258351687), (3, 86117229), (9, 28705743), (11, 23486517), (27, 9568581), (33, 7828839), (81, 3189527), (99, 2609613), (297, 869871), (891, 289957)]