28685907

素因数分解:

$3^5\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 43448496

約数和(自身を除く): 14762589

約数列:

[1, 3, 9, 27, 81, 97, 243, 291, 873, 1217, 2619, 3651, 7857, 10953, 23571, 32859, 98577, 118049, 295731, 354147, 1062441, 3187323, 9561969, 28685907]

約数ペア:

[(1, 28685907), (3, 9561969), (9, 3187323), (27, 1062441), (81, 354147), (97, 295731), (243, 118049), (291, 98577), (873, 32859), (1217, 23571), (2619, 10953), (3651, 7857)]