12872259

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 19422000

約数和(自身を除く): 6549741

約数列:

[1, 3, 9, 29, 87, 149, 261, 331, 447, 993, 1341, 2979, 4321, 9599, 12963, 28797, 38889, 49319, 86391, 147957, 443871, 1430251, 4290753, 12872259]

約数ペア:

[(1, 12872259), (3, 4290753), (9, 1430251), (29, 443871), (87, 147957), (149, 86391), (261, 49319), (331, 38889), (447, 28797), (993, 12963), (1341, 9599), (2979, 4321)]