831314745

素因数分解:

$3^4\times 5^1\times {\mathrm{2052629}}^1$

素因数の和:2052646

約数の個数: 20

約数和(自身を含む): 1490209380

約数和(自身を除く): 658894635

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2052629, 6157887, 10263145, 18473661, 30789435, 55420983, 92368305, 166262949, 277104915, 831314745]

約数ペア:

[(1, 831314745), (3, 277104915), (5, 166262949), (9, 92368305), (15, 55420983), (27, 30789435), (45, 18473661), (81, 10263145), (135, 6157887), (405, 2052629)]