78624225

素因数分解:

$3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1567}}^1$

素因数の和:1806

約数の個数: 36

約数和(自身を含む): 141546496

約数和(自身を除く): 62922271

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 223, 225, 669, 1115, 1567, 2007, 3345, 4701, 5575, 7835, 10035, 14103, 16725, 23505, 39175, 50175, 70515, 117525, 349441, 352575, 1048323, 1747205, 3144969, 5241615, 8736025, 15724845, 26208075, 78624225]

約数ペア:

[(1, 78624225), (3, 26208075), (5, 15724845), (9, 8736025), (15, 5241615), (25, 3144969), (45, 1747205), (75, 1048323), (223, 352575), (225, 349441), (669, 117525), (1115, 70515), (1567, 50175), (2007, 39175), (3345, 23505), (4701, 16725), (5575, 14103), (7835, 10035)]