1218521283

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{260201}}^1$

素因数の和:260434

約数の個数: 16

約数和(自身を含む): 1865127936

約数和(自身を除く): 646606653

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 260201, 780603, 1821407, 5464221, 58024823, 174074469, 406173761, 1218521283]

約数ペア:

[(1, 1218521283), (3, 406173761), (7, 174074469), (21, 58024823), (223, 5464221), (669, 1821407), (1561, 780603), (4683, 260201)]