406749609

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137369}}^1$

素因数の和:137429

約数の個数: 24

約数和(自身を含む): 685751040

約数和(自身を除く): 279001431

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 137369, 412107, 961583, 1236321, 2884749, 6456343, 8654247, 19369029, 45194401, 58107087, 135583203, 406749609]

約数ペア:

[(1, 406749609), (3, 135583203), (7, 58107087), (9, 45194401), (21, 19369029), (47, 8654247), (63, 6456343), (141, 2884749), (329, 1236321), (423, 961583), (987, 412107), (2961, 137369)]