223288731

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{45191}}^1$

素因数の和:45264

約数の個数: 20

約数和(自身を含む): 339030384

約数和(自身を除く): 115741653

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 45191, 135573, 406719, 1220157, 2756651, 3660471, 8269953, 24809859, 74429577, 223288731]

約数ペア:

[(1, 223288731), (3, 74429577), (9, 24809859), (27, 8269953), (61, 3660471), (81, 2756651), (183, 1220157), (549, 406719), (1647, 135573), (4941, 45191)]