28237503

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 44928000

約数和(自身を除く): 16690497

約数列:

[1, 3, 7, 21, 29, 87, 199, 203, 233, 597, 609, 699, 1393, 1631, 4179, 4893, 5771, 6757, 17313, 20271, 40397, 46367, 47299, 121191, 139101, 141897, 324569, 973707, 1344643, 4033929, 9412501, 28237503]

約数ペア:

[(1, 28237503), (3, 9412501), (7, 4033929), (21, 1344643), (29, 973707), (87, 324569), (199, 141897), (203, 139101), (233, 121191), (597, 47299), (609, 46367), (699, 40397), (1393, 20271), (1631, 17313), (4179, 6757), (4893, 5771)]