28553775

素因数分解:

$3^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{1201}}^1$

素因数の和:1531

約数の個数: 24

約数和(自身を含む): 47397264

約数和(自身を除く): 18843489

約数列:

[1, 3, 5, 15, 25, 75, 317, 951, 1201, 1585, 3603, 4755, 6005, 7925, 18015, 23775, 30025, 90075, 380717, 1142151, 1903585, 5710755, 9517925, 28553775]

約数ペア:

[(1, 28553775), (3, 9517925), (5, 5710755), (15, 1903585), (25, 1142151), (75, 380717), (317, 90075), (951, 30025), (1201, 23775), (1585, 18015), (3603, 7925), (4755, 6005)]