129369231

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{51521}}^1$

素因数の和:51564

約数の個数: 20

約数和(自身を含む): 199493184

約数和(自身を除く): 70123953

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 51521, 154563, 463689, 1391067, 1597151, 4173201, 4791453, 14374359, 43123077, 129369231]

約数ペア:

[(1, 129369231), (3, 43123077), (9, 14374359), (27, 4791453), (31, 4173201), (81, 1597151), (93, 1391067), (279, 463689), (837, 154563), (2511, 51521)]