1997179977

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{83813}}^1$

素因数の和:83889

約数の個数: 24

約数和(自身を含む): 2944888704

約数和(自身を除く): 947708727

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 1833, 7943, 23829, 83813, 251439, 1089569, 3268707, 3939211, 11817633, 14164397, 42493191, 51209743, 153629229, 665726659, 1997179977]

約数ペア:

[(1, 1997179977), (3, 665726659), (13, 153629229), (39, 51209743), (47, 42493191), (141, 14164397), (169, 11817633), (507, 3939211), (611, 3268707), (1833, 1089569), (7943, 251439), (23829, 83813)]