681695547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31723}}^1$

素因数の和:31787

約数の個数: 32

約数和(自身を含む): 1065926400

約数和(自身を除く): 384230853

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 247, 377, 551, 741, 1131, 1653, 7163, 21489, 31723, 95169, 412399, 602737, 919967, 1237197, 1808211, 2759901, 7835581, 11959571, 17479373, 23506743, 35878713, 52438119, 227231849, 681695547]

約数ペア:

[(1, 681695547), (3, 227231849), (13, 52438119), (19, 35878713), (29, 23506743), (39, 17479373), (57, 11959571), (87, 7835581), (247, 2759901), (377, 1808211), (551, 1237197), (741, 919967), (1131, 602737), (1653, 412399), (7163, 95169), (21489, 31723)]