1640882619

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{13063}}^1$

素因数の和:13907

約数の個数: 24

約数和(自身を含む): 2512834272

約数和(自身を除く): 871951653

約数列:

[1, 3, 9, 17, 51, 153, 821, 2463, 7389, 13063, 13957, 39189, 41871, 117567, 125613, 222071, 666213, 1998639, 10724723, 32174169, 96522507, 182320291, 546960873, 1640882619]

約数ペア:

[(1, 1640882619), (3, 546960873), (9, 182320291), (17, 96522507), (51, 32174169), (153, 10724723), (821, 1998639), (2463, 666213), (7389, 222071), (13063, 125613), (13957, 117567), (39189, 41871)]