287203839

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{661}}^1\times {\mathrm{857}}^1$

素因数の和:1547

約数の個数: 24

約数和(自身を含む): 415773072

約数和(自身を除く): 128569233

約数列:

[1, 3, 13, 39, 169, 507, 661, 857, 1983, 2571, 8593, 11141, 25779, 33423, 111709, 144833, 335127, 434499, 566477, 1699431, 7364201, 22092603, 95734613, 287203839]

約数ペア:

[(1, 287203839), (3, 95734613), (13, 22092603), (39, 7364201), (169, 1699431), (507, 566477), (661, 434499), (857, 335127), (1983, 144833), (2571, 111709), (8593, 33423), (11141, 25779)]