81311259

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{1667}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 110488320

約数和(自身を除く): 29177061

約数列:

[1, 3, 71, 213, 229, 687, 1667, 5001, 16259, 48777, 118357, 355071, 381743, 1145229, 27103753, 81311259]

約数ペア:

[(1, 81311259), (3, 27103753), (71, 1145229), (213, 381743), (229, 355071), (687, 118357), (1667, 48777), (5001, 16259)]