1245375

素因数分解:

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

素因数の和:71

約数の個数: 48

約数和(自身を含む): 2384928

約数和(自身を除く): 1139553

約数列:

[1, 3, 5, 9, 15, 25, 27, 41, 45, 75, 81, 123, 125, 135, 205, 225, 243, 369, 375, 405, 615, 675, 1025, 1107, 1125, 1215, 1845, 2025, 3075, 3321, 3375, 5125, 5535, 6075, 9225, 9963, 10125, 15375, 16605, 27675, 30375, 46125, 49815, 83025, 138375, 249075, 415125, 1245375]

約数ペア:

[(1, 1245375), (3, 415125), (5, 249075), (9, 138375), (15, 83025), (25, 49815), (27, 46125), (41, 30375), (45, 27675), (75, 16605), (81, 15375), (123, 10125), (125, 9963), (135, 9225), (205, 6075), (225, 5535), (243, 5125), (369, 3375), (375, 3321), (405, 3075), (615, 2025), (675, 1845), (1025, 1215), (1107, 1125)]