281479075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{9029}}^1$

素因数の和:9111

約数の個数: 24

約数和(自身を含む): 369507600

約数和(自身を除く): 88028525

約数列:

[1, 5, 25, 29, 43, 145, 215, 725, 1075, 1247, 6235, 9029, 31175, 45145, 225725, 261841, 388247, 1309205, 1941235, 6546025, 9706175, 11259163, 56295815, 281479075]

約数ペア:

[(1, 281479075), (5, 56295815), (25, 11259163), (29, 9706175), (43, 6546025), (145, 1941235), (215, 1309205), (725, 388247), (1075, 261841), (1247, 225725), (6235, 45145), (9029, 31175)]