64787373

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1801}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 107197376

約数和(自身を除く): 42410003

約数列:

[1, 3, 7, 9, 21, 63, 571, 1713, 1801, 3997, 5139, 5403, 11991, 12607, 16209, 35973, 37821, 113463, 1028371, 3085113, 7198597, 9255339, 21595791, 64787373]

約数ペア:

[(1, 64787373), (3, 21595791), (7, 9255339), (9, 7198597), (21, 3085113), (63, 1028371), (571, 113463), (1713, 37821), (1801, 35973), (3997, 16209), (5139, 12607), (5403, 11991)]