30940749

素因数分解:

$3^2\times 7^1\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 51222912

約数和(自身を除く): 20282163

約数列:

[1, 3, 7, 9, 21, 63, 661, 743, 1983, 2229, 4627, 5201, 5949, 6687, 13881, 15603, 41643, 46809, 491123, 1473369, 3437861, 4420107, 10313583, 30940749]

約数ペア:

[(1, 30940749), (3, 10313583), (7, 4420107), (9, 3437861), (21, 1473369), (63, 491123), (661, 46809), (743, 41643), (1983, 15603), (2229, 13881), (4627, 6687), (5201, 5949)]