747225

素因数分解:

$3^6\times 5^2\times {\mathrm{41}}^1$

素因数の和:69

約数の個数: 42

約数和(自身を含む): 1423086

約数和(自身を除く): 675861

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 135, 205, 225, 243, 369, 405, 615, 675, 729, 1025, 1107, 1215, 1845, 2025, 3075, 3321, 3645, 5535, 6075, 9225, 9963, 16605, 18225, 27675, 29889, 49815, 83025, 149445, 249075, 747225]

約数ペア:

[(1, 747225), (3, 249075), (5, 149445), (9, 83025), (15, 49815), (25, 29889), (27, 27675), (41, 18225), (45, 16605), (75, 9963), (81, 9225), (123, 6075), (135, 5535), (205, 3645), (225, 3321), (243, 3075), (369, 2025), (405, 1845), (615, 1215), (675, 1107), (729, 1025)]