201991179

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{9941}}^1$

素因数の和:10478

約数の個数: 16

約数和(自身を含む): 290624544

約数和(自身を除く): 88633365

約数列:

[1, 3, 13, 39, 521, 1563, 6773, 9941, 20319, 29823, 129233, 387699, 5179261, 15537783, 67330393, 201991179]

約数ペア:

[(1, 201991179), (3, 67330393), (13, 15537783), (39, 5179261), (521, 387699), (1563, 129233), (6773, 29823), (9941, 20319)]