81308715

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{52627}}^1$

素因数の和:52738

約数の個数: 16

約数和(自身を含む): 131359488

約数和(自身を除く): 50050773

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 52627, 157881, 263135, 789405, 5420581, 16261743, 27102905, 81308715]

約数ペア:

[(1, 81308715), (3, 27102905), (5, 16261743), (15, 5420581), (103, 789405), (309, 263135), (515, 157881), (1545, 52627)]