16181109

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2543}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 26986752

約数和(自身を除く): 10805643

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 2543, 6363, 7629, 17801, 22887, 53403, 160209, 256843, 770529, 1797901, 2311587, 5393703, 16181109]

約数ペア:

[(1, 16181109), (3, 5393703), (7, 2311587), (9, 1797901), (21, 770529), (63, 256843), (101, 160209), (303, 53403), (707, 22887), (909, 17801), (2121, 7629), (2543, 6363)]