40781619

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3359}}^1$

素因数の和:3455

約数の個数: 24

約数和(自身を含む): 62899200

約数和(自身を除く): 22117581

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 3359, 4047, 10077, 12141, 30231, 63821, 191463, 238489, 574389, 715467, 2146401, 4531291, 13593873, 40781619]

約数ペア:

[(1, 40781619), (3, 13593873), (9, 4531291), (19, 2146401), (57, 715467), (71, 574389), (171, 238489), (213, 191463), (639, 63821), (1349, 30231), (3359, 12141), (4047, 10077)]