268492221

素因数分解:

$3^2\times {\mathrm{1609}}^1\times {\mathrm{18541}}^1$

素因数の和:20156

約数の個数: 12

約数和(自身を含む): 388084060

約数和(自身を除く): 119591839

約数列:

[1, 3, 9, 1609, 4827, 14481, 18541, 55623, 166869, 29832469, 89497407, 268492221]

約数ペア:

[(1, 268492221), (3, 89497407), (9, 29832469), (1609, 166869), (4827, 55623), (14481, 18541)]