7279389

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 40

約数和(自身を含む): 12142592

約数和(自身を除く): 4863203

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 223, 279, 351, 403, 669, 837, 1053, 1209, 2007, 2511, 2899, 3627, 6021, 6913, 8697, 10881, 18063, 20739, 26091, 32643, 62217, 78273, 89869, 186651, 234819, 269607, 559953, 808821, 2426463, 7279389]

約数ペア:

[(1, 7279389), (3, 2426463), (9, 808821), (13, 559953), (27, 269607), (31, 234819), (39, 186651), (81, 89869), (93, 78273), (117, 62217), (223, 32643), (279, 26091), (351, 20739), (403, 18063), (669, 10881), (837, 8697), (1053, 6913), (1209, 6021), (2007, 3627), (2511, 2899)]