12889965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{78121}}^1$

素因数の和:78140

約数の個数: 16

約数和(自身を含む): 22499136

約数和(自身を除く): 9609171

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 78121, 234363, 390605, 859331, 1171815, 2577993, 4296655, 12889965]

約数ペア:

[(1, 12889965), (3, 4296655), (5, 2577993), (11, 1171815), (15, 859331), (33, 390605), (55, 234363), (165, 78121)]