64395891

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:985

約数の個数: 40

約数和(自身を含む): 110874720

約数和(自身を除く): 46478829

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 829, 959, 1233, 2487, 2877, 3699, 5803, 7461, 8631, 11097, 17409, 22383, 25893, 52227, 67149, 77679, 113573, 156681, 340719, 470043, 795011, 1022157, 2385033, 3066471, 7155099, 9199413, 21465297, 64395891]

約数ペア:

[(1, 64395891), (3, 21465297), (7, 9199413), (9, 7155099), (21, 3066471), (27, 2385033), (63, 1022157), (81, 795011), (137, 470043), (189, 340719), (411, 156681), (567, 113573), (829, 77679), (959, 67149), (1233, 52227), (2487, 25893), (2877, 22383), (3699, 17409), (5803, 11097), (7461, 8631)]