81336525

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{10529}}^1$

素因数の和:10645

約数の個数: 24

約数和(自身を含む): 135794880

約数和(自身を除く): 54458355

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 7725, 10529, 31587, 52645, 157935, 263225, 789675, 1084487, 3253461, 5422435, 16267305, 27112175, 81336525]

約数ペア:

[(1, 81336525), (3, 27112175), (5, 16267305), (15, 5422435), (25, 3253461), (75, 1084487), (103, 789675), (309, 263225), (515, 157935), (1545, 52645), (2575, 31587), (7725, 10529)]