203971851

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{6343}}^1$

素因数の和:6752

約数の個数: 20

約数和(自身を含む): 305514352

約数和(自身を除く): 101542501

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 6343, 10719, 19029, 32157, 57087, 171261, 513783, 2518171, 7554513, 22663539, 67990617, 203971851]

約数ペア:

[(1, 203971851), (3, 67990617), (9, 22663539), (27, 7554513), (81, 2518171), (397, 513783), (1191, 171261), (3573, 57087), (6343, 32157), (10719, 19029)]