20173869

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 29899584

約数和(自身を除く): 9725715

約数列:

[1, 3, 9, 71, 131, 213, 241, 393, 639, 723, 1179, 2169, 9301, 17111, 27903, 31571, 51333, 83709, 94713, 153999, 284139, 2241541, 6724623, 20173869]

約数ペア:

[(1, 20173869), (3, 6724623), (9, 2241541), (71, 284139), (131, 153999), (213, 94713), (241, 83709), (393, 51333), (639, 31571), (723, 27903), (1179, 17111), (2169, 9301)]