66521475

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{7211}}^1$

素因数の和:7268

約数の個数: 36

約数和(自身を含む): 122070312

約数和(自身を除く): 55548837

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 7211, 9225, 21633, 36055, 64899, 108165, 180275, 295651, 324495, 540825, 886953, 1478255, 1622475, 2660859, 4434765, 7391275, 13304295, 22173825, 66521475]

約数ペア:

[(1, 66521475), (3, 22173825), (5, 13304295), (9, 7391275), (15, 4434765), (25, 2660859), (41, 1622475), (45, 1478255), (75, 886953), (123, 540825), (205, 324495), (225, 295651), (369, 180275), (615, 108165), (1025, 64899), (1845, 36055), (3075, 21633), (7211, 9225)]