4080015

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1277}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 7177248

約数和(自身を除く): 3097233

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 1277, 3195, 3831, 6385, 11493, 19155, 57465, 90667, 272001, 453335, 816003, 1360005, 4080015]

約数ペア:

[(1, 4080015), (3, 1360005), (5, 816003), (9, 453335), (15, 272001), (45, 90667), (71, 57465), (213, 19155), (355, 11493), (639, 6385), (1065, 3831), (1277, 3195)]