78240771

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{5471}}^1$

素因数の和:5711

約数の個数: 24

約数和(自身を含む): 129752064

約数和(自身を除く): 51511293

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 2043, 4767, 5471, 14301, 16413, 38297, 49239, 114891, 344673, 1241917, 3725751, 8693419, 11177253, 26080257, 78240771]

約数ペア:

[(1, 78240771), (3, 26080257), (7, 11177253), (9, 8693419), (21, 3725751), (63, 1241917), (227, 344673), (681, 114891), (1589, 49239), (2043, 38297), (4767, 16413), (5471, 14301)]