47904525

素因数分解:

$3^2\times 5^2\times {\mathrm{212909}}^1$

素因数の和:212925

約数の個数: 18

約数和(自身を含む): 85802730

約数和(自身を除く): 37898205

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 212909, 638727, 1064545, 1916181, 3193635, 5322725, 9580905, 15968175, 47904525]

約数ペア:

[(1, 47904525), (3, 15968175), (5, 9580905), (9, 5322725), (15, 3193635), (25, 1916181), (45, 1064545), (75, 638727), (225, 212909)]