28440789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5323}}^1$

素因数の和:5476

約数の個数: 16

約数和(自身を含む): 41143872

約数和(自身を除く): 12703083

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5323, 5343, 15969, 69199, 207597, 729251, 2187753, 9480263, 28440789]

約数ペア:

[(1, 28440789), (3, 9480263), (13, 2187753), (39, 729251), (137, 207597), (411, 69199), (1781, 15969), (5323, 5343)]