78582015

素因数分解:

$3^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{821}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 140068800

約数和(自身を除く): 61486785

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 709, 821, 2127, 2463, 3545, 4105, 6381, 7389, 10635, 12315, 19143, 22167, 31905, 36945, 95715, 110835, 582089, 1746267, 2910445, 5238801, 8731335, 15716403, 26194005, 78582015]

約数ペア:

[(1, 78582015), (3, 26194005), (5, 15716403), (9, 8731335), (15, 5238801), (27, 2910445), (45, 1746267), (135, 582089), (709, 110835), (821, 95715), (2127, 36945), (2463, 31905), (3545, 22167), (4105, 19143), (6381, 12315), (7389, 10635)]