251018901

素因数分解:

$3^2\times 7^1\times {\mathrm{379}}^1\times {\mathrm{10513}}^1$

素因数の和:10905

約数の個数: 24

約数和(自身を含む): 415513280

約数和(自身を除く): 164494379

約数列:

[1, 3, 7, 9, 21, 63, 379, 1137, 2653, 3411, 7959, 10513, 23877, 31539, 73591, 94617, 220773, 662319, 3984427, 11953281, 27890989, 35859843, 83672967, 251018901]

約数ペア:

[(1, 251018901), (3, 83672967), (7, 35859843), (9, 27890989), (21, 11953281), (63, 3984427), (379, 662319), (1137, 220773), (2653, 94617), (3411, 73591), (7959, 31539), (10513, 23877)]