28523775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{54331}}^1$

素因数の和:54351

約数の個数: 24

約数和(自身を含む): 53897344

約数和(自身を除く): 25373569

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 54331, 162993, 271655, 380317, 814965, 1140951, 1358275, 1901585, 4074825, 5704755, 9507925, 28523775]

約数ペア:

[(1, 28523775), (3, 9507925), (5, 5704755), (7, 4074825), (15, 1901585), (21, 1358275), (25, 1140951), (35, 814965), (75, 380317), (105, 271655), (175, 162993), (525, 54331)]