289052911

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{143879}}^1$

素因数の和:143934

約数の個数: 12

約数和(自身を含む): 344448720

約数和(自身を除く): 55395809

約数列:

[1, 7, 41, 49, 287, 2009, 143879, 1007153, 5899039, 7050071, 41293273, 289052911]

約数ペア:

[(1, 289052911), (7, 41293273), (41, 7050071), (49, 5899039), (287, 1007153), (2009, 143879)]