1900896579

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{384719}}^1$

素因数の和:384792

約数の個数: 20

約数和(自身を含む): 2886169440

約数和(自身を除く): 985272861

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 384719, 1154157, 3462471, 10387413, 23467859, 31162239, 70403577, 211210731, 633632193, 1900896579]

約数ペア:

[(1, 1900896579), (3, 633632193), (9, 211210731), (27, 70403577), (61, 31162239), (81, 23467859), (183, 10387413), (549, 3462471), (1647, 1154157), (4941, 384719)]