4020111

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{1601}}^1$

素因数の和:1644

約数の個数: 20

約数和(自身を含む): 6202944

約数和(自身を除く): 2182833

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 1601, 2511, 4803, 14409, 43227, 49631, 129681, 148893, 446679, 1340037, 4020111]

約数ペア:

[(1, 4020111), (3, 1340037), (9, 446679), (27, 148893), (31, 129681), (81, 49631), (93, 43227), (279, 14409), (837, 4803), (1601, 2511)]