209518071789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{68003269}}^1$

素因数の和:68003364

約数の個数: 16

約数和(自身を含む): 304654649600

約数和(自身を除く): 95136577811

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 68003269, 204009807, 884042497, 2652127491, 5372258251, 16116774753, 69839357263, 209518071789]

約数ペア:

[(1, 209518071789), (3, 69839357263), (13, 16116774753), (39, 5372258251), (79, 2652127491), (237, 884042497), (1027, 204009807), (3081, 68003269)]