279816561

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{541}}^1\times {\mathrm{569}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 409654440

約数和(自身を除く): 129837879

約数列:

[1, 3, 9, 101, 303, 541, 569, 909, 1623, 1707, 4869, 5121, 54641, 57469, 163923, 172407, 307829, 491769, 517221, 923487, 2770461, 31090729, 93272187, 279816561]

約数ペア:

[(1, 279816561), (3, 93272187), (9, 31090729), (101, 2770461), (303, 923487), (541, 517221), (569, 491769), (909, 307829), (1623, 172407), (1707, 163923), (4869, 57469), (5121, 54641)]