40393983

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2521}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 63251760

約数和(自身を除く): 22857777

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 2521, 5341, 7563, 16023, 17647, 52941, 123529, 274789, 370587, 824367, 1923523, 5770569, 13464661, 40393983]

約数ペア:

[(1, 40393983), (3, 13464661), (7, 5770569), (21, 1923523), (49, 824367), (109, 370587), (147, 274789), (327, 123529), (763, 52941), (2289, 17647), (2521, 16023), (5341, 7563)]