12755015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 20217792

約数和(自身を除く): 7462777

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 97, 119, 221, 289, 455, 485, 595, 679, 1105, 1261, 1445, 1547, 1649, 2023, 3395, 3757, 6305, 7735, 8245, 8827, 10115, 11543, 18785, 21437, 26299, 28033, 44135, 57715, 107185, 131495, 140165, 150059, 196231, 364429, 750295, 981155, 1822145, 2551003, 12755015]

約数ペア:

[(1, 12755015), (5, 2551003), (7, 1822145), (13, 981155), (17, 750295), (35, 364429), (65, 196231), (85, 150059), (91, 140165), (97, 131495), (119, 107185), (221, 57715), (289, 44135), (455, 28033), (485, 26299), (595, 21437), (679, 18785), (1105, 11543), (1261, 10115), (1445, 8827), (1547, 8245), (1649, 7735), (2023, 6305), (3395, 3757)]