81119475

素因数分解:

$3^6\times 5^2\times {\mathrm{4451}}^1$

素因数の和:4479

約数の個数: 42

約数和(自身を含む): 150847116

約数和(自身を除く): 69727641

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 4451, 6075, 13353, 18225, 22255, 40059, 66765, 111275, 120177, 200295, 333825, 360531, 600885, 1001475, 1081593, 1802655, 3004425, 3244779, 5407965, 9013275, 16223895, 27039825, 81119475]

約数ペア:

[(1, 81119475), (3, 27039825), (5, 16223895), (9, 9013275), (15, 5407965), (25, 3244779), (27, 3004425), (45, 1802655), (75, 1081593), (81, 1001475), (135, 600885), (225, 360531), (243, 333825), (405, 200295), (675, 120177), (729, 111275), (1215, 66765), (2025, 40059), (3645, 22255), (4451, 18225), (6075, 13353)]