12172215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73771}}^1$

素因数の和:73790

約数の個数: 16

約数和(自身を含む): 21246336

約数和(自身を除く): 9074121

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 73771, 221313, 368855, 811481, 1106565, 2434443, 4057405, 12172215]

約数ペア:

[(1, 12172215), (3, 4057405), (5, 2434443), (11, 1106565), (15, 811481), (33, 368855), (55, 221313), (165, 73771)]