289294821

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{115211}}^1$

素因数の和:115254

約数の個数: 20

約数和(自身を含む): 446100864

約数和(自身を除く): 156806043

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 115211, 345633, 1036899, 3110697, 3571541, 9332091, 10714623, 32143869, 96431607, 289294821]

約数ペア:

[(1, 289294821), (3, 96431607), (9, 32143869), (27, 10714623), (31, 9332091), (81, 3571541), (93, 3110697), (279, 1036899), (837, 345633), (2511, 115211)]