40017807

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{15937}}^1$

素因数の和:15980

約数の個数: 20

約数和(自身を含む): 61711936

約数和(自身を除く): 21694129

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 15937, 47811, 143433, 430299, 494047, 1290897, 1482141, 4446423, 13339269, 40017807]

約数ペア:

[(1, 40017807), (3, 13339269), (9, 4446423), (27, 1482141), (31, 1290897), (81, 494047), (93, 430299), (279, 143433), (837, 47811), (2511, 15937)]