18029205

素因数分解:

$3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{769}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 31351320

約数和(自身を除く): 13322115

約数列:

[1, 3, 5, 9, 15, 45, 521, 769, 1563, 2307, 2605, 3845, 4689, 6921, 7815, 11535, 23445, 34605, 400649, 1201947, 2003245, 3605841, 6009735, 18029205]

約数ペア:

[(1, 18029205), (3, 6009735), (5, 3605841), (9, 2003245), (15, 1201947), (45, 400649), (521, 34605), (769, 23445), (1563, 11535), (2307, 7815), (2605, 6921), (3845, 4689)]