1901757

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:82

約数の個数: 36

約数和(自身を含む): 3115392

約数和(自身を除く): 1213635

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 121, 143, 169, 341, 363, 403, 429, 507, 1023, 1209, 1573, 1859, 3751, 4433, 4719, 5239, 5577, 11253, 13299, 15717, 20449, 48763, 57629, 61347, 146289, 172887, 633919, 1901757]

約数ペア:

[(1, 1901757), (3, 633919), (11, 172887), (13, 146289), (31, 61347), (33, 57629), (39, 48763), (93, 20449), (121, 15717), (143, 13299), (169, 11253), (341, 5577), (363, 5239), (403, 4719), (429, 4433), (507, 3751), (1023, 1859), (1209, 1573)]