279284481

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{94321}}^1$

素因数の和:94381

約数の個数: 24

約数和(自身を含む): 470855424

約数和(自身を除く): 191570943

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 94321, 282963, 660247, 848889, 1980741, 4433087, 5942223, 13299261, 31031609, 39897783, 93094827, 279284481]

約数ペア:

[(1, 279284481), (3, 93094827), (7, 39897783), (9, 31031609), (21, 13299261), (47, 5942223), (63, 4433087), (141, 1980741), (329, 848889), (423, 660247), (987, 282963), (2961, 94321)]