671036643

素因数分解:

$3^4\times {\mathrm{1289}}^1\times {\mathrm{6427}}^1$

素因数の和:7728

約数の個数: 20

約数和(自身を含む): 1003346520

約数和(自身を除く): 332309877

約数列:

[1, 3, 9, 27, 81, 1289, 3867, 6427, 11601, 19281, 34803, 57843, 104409, 173529, 520587, 8284403, 24853209, 74559627, 223678881, 671036643]

約数ペア:

[(1, 671036643), (3, 223678881), (9, 74559627), (27, 24853209), (81, 8284403), (1289, 520587), (3867, 173529), (6427, 104409), (11601, 57843), (19281, 34803)]