28356417

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1193}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 43461600

約数和(自身を除く): 15105183

約数列:

[1, 3, 9, 19, 57, 139, 171, 417, 1193, 1251, 2641, 3579, 7923, 10737, 22667, 23769, 68001, 165827, 204003, 497481, 1492443, 3150713, 9452139, 28356417]

約数ペア:

[(1, 28356417), (3, 9452139), (9, 3150713), (19, 1492443), (57, 497481), (139, 204003), (171, 165827), (417, 68001), (1193, 23769), (1251, 22667), (2641, 10737), (3579, 7923)]