1308231

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:564

約数の個数: 20

約数和(自身を含む): 2021184

約数和(自身を除く): 712953

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 521, 837, 1563, 2511, 4689, 14067, 16151, 42201, 48453, 145359, 436077, 1308231]

約数ペア:

[(1, 1308231), (3, 436077), (9, 145359), (27, 48453), (31, 42201), (81, 16151), (93, 14067), (279, 4689), (521, 2511), (837, 1563)]