258492087

素因数分解:

$3^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2687}}^1$

素因数の和:3212

約数の個数: 32

約数和(自身を含む): 438681600

約数和(自身を除く): 180189513

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 509, 1527, 2687, 3563, 4581, 8061, 10689, 13743, 18809, 24183, 32067, 56427, 72549, 96201, 169281, 507843, 1367683, 4103049, 9573781, 12309147, 28721343, 36927441, 86164029, 258492087]

約数ペア:

[(1, 258492087), (3, 86164029), (7, 36927441), (9, 28721343), (21, 12309147), (27, 9573781), (63, 4103049), (189, 1367683), (509, 507843), (1527, 169281), (2687, 96201), (3563, 72549), (4581, 56427), (8061, 32067), (10689, 24183), (13743, 18809)]