40447305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20903}}^1$

素因数の和:20957

約数の個数: 24

約数和(自身を含む): 71742528

約数和(自身を除く): 31295223

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20903, 62709, 104515, 188127, 313545, 898829, 940635, 2696487, 4494145, 8089461, 13482435, 40447305]

約数ペア:

[(1, 40447305), (3, 13482435), (5, 8089461), (9, 4494145), (15, 2696487), (43, 940635), (45, 898829), (129, 313545), (215, 188127), (387, 104515), (645, 62709), (1935, 20903)]