28721000817

素因数分解:

$3^5\times {\mathrm{163}}^1\times {\mathrm{725113}}^1$

素因数の和:725291

約数の個数: 24

約数和(自身を含む): 43286405344

約数和(自身を除く): 14565404527

約数列:

[1, 3, 9, 27, 81, 163, 243, 489, 1467, 4401, 13203, 39609, 725113, 2175339, 6526017, 19578051, 58734153, 118193419, 176202459, 354580257, 1063740771, 3191222313, 9573666939, 28721000817]

約数ペア:

[(1, 28721000817), (3, 9573666939), (9, 3191222313), (27, 1063740771), (81, 354580257), (163, 176202459), (243, 118193419), (489, 58734153), (1467, 19578051), (4401, 6526017), (13203, 2175339), (39609, 725113)]