490796961

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 700416000

約数和(自身を除く): 209619039

約数列:

[1, 3, 19, 57, 127, 151, 381, 449, 453, 1347, 2413, 2869, 7239, 8531, 8607, 19177, 25593, 57023, 57531, 67799, 171069, 203397, 364363, 1083437, 1093089, 1288181, 3250311, 3864543, 8610473, 25831419, 163598987, 490796961]

約数ペア:

[(1, 490796961), (3, 163598987), (19, 25831419), (57, 8610473), (127, 3864543), (151, 3250311), (381, 1288181), (449, 1093089), (453, 1083437), (1347, 364363), (2413, 203397), (2869, 171069), (7239, 67799), (8531, 57531), (8607, 57023), (19177, 25593)]