68565285

素因数分解:

$3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2143}}^1$

素因数の和:2239

約数の個数: 40

約数和(自身を含む): 124523520

約数和(自身を除く): 55958235

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 81, 135, 237, 395, 405, 711, 1185, 2133, 2143, 3555, 6399, 6429, 10665, 10715, 19287, 31995, 32145, 57861, 96435, 169297, 173583, 289305, 507891, 846485, 867915, 1523673, 2539455, 4571019, 7618365, 13713057, 22855095, 68565285]

約数ペア:

[(1, 68565285), (3, 22855095), (5, 13713057), (9, 7618365), (15, 4571019), (27, 2539455), (45, 1523673), (79, 867915), (81, 846485), (135, 507891), (237, 289305), (395, 173583), (405, 169297), (711, 96435), (1185, 57861), (2133, 32145), (2143, 31995), (3555, 19287), (6399, 10715), (6429, 10665)]