2221749

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 3424512

約数和(自身を除く): 1202763

約数列:

[1, 3, 9, 27, 41, 81, 123, 223, 243, 369, 669, 1107, 2007, 3321, 6021, 9143, 9963, 18063, 27429, 54189, 82287, 246861, 740583, 2221749]

約数ペア:

[(1, 2221749), (3, 740583), (9, 246861), (27, 82287), (41, 54189), (81, 27429), (123, 18063), (223, 9963), (243, 9143), (369, 6021), (669, 3321), (1107, 2007)]