1900915653

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{994723}}^1$

素因数の和:994753

約数の個数: 24

約数和(自身を含む): 3175159008

約数和(自身を除く): 1274243355

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 994723, 2984169, 6963061, 12931399, 20889183, 38794197, 48741427, 90519793, 146224281, 271559379, 633638551, 1900915653]

約数ペア:

[(1, 1900915653), (3, 633638551), (7, 271559379), (13, 146224281), (21, 90519793), (39, 48741427), (49, 38794197), (91, 20889183), (147, 12931399), (273, 6963061), (637, 2984169), (1911, 994723)]