2042415

素因数分解:

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

素因数の和:102

約数の個数: 36

約数和(自身を含む): 3763032

約数和(自身を除く): 1720617

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 135, 205, 243, 369, 405, 615, 1107, 1215, 1681, 1845, 3321, 5043, 5535, 8405, 9963, 15129, 16605, 25215, 45387, 49815, 75645, 136161, 226935, 408483, 680805, 2042415]

約数ペア:

[(1, 2042415), (3, 680805), (5, 408483), (9, 226935), (15, 136161), (27, 75645), (41, 49815), (45, 45387), (81, 25215), (123, 16605), (135, 15129), (205, 9963), (243, 8405), (369, 5535), (405, 5043), (615, 3321), (1107, 1845), (1215, 1681)]