80971521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{10369}}^1$

素因数の和:10528

約数の個数: 16

約数和(自身を含む): 114484800

約数和(自身を除く): 33513279

約数列:

[1, 3, 19, 57, 137, 411, 2603, 7809, 10369, 31107, 197011, 591033, 1420553, 4261659, 26990507, 80971521]

約数ペア:

[(1, 80971521), (3, 26990507), (19, 4261659), (57, 1420553), (137, 591033), (411, 197011), (2603, 31107), (7809, 10369)]