28051575

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7057}}^1$

素因数の和:7123

約数の個数: 24

約数和(自身を含む): 47260368

約数和(自身を除く): 19208793

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1325, 3975, 7057, 21171, 35285, 105855, 176425, 374021, 529275, 1122063, 1870105, 5610315, 9350525, 28051575]

約数ペア:

[(1, 28051575), (3, 9350525), (5, 5610315), (15, 1870105), (25, 1122063), (53, 529275), (75, 374021), (159, 176425), (265, 105855), (795, 35285), (1325, 21171), (3975, 7057)]