722366991

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{287681}}^1$

素因数の和:287724

約数の個数: 20

約数和(自身を含む): 1113904704

約数和(自身を除く): 391537713

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 287681, 863043, 2589129, 7767387, 8918111, 23302161, 26754333, 80262999, 240788997, 722366991]

約数ペア:

[(1, 722366991), (3, 240788997), (9, 80262999), (27, 26754333), (31, 23302161), (81, 8918111), (93, 7767387), (279, 2589129), (837, 863043), (2511, 287681)]