28899945

素因数分解:

$3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{1153}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 50226696

約数和(自身を除く): 21326751

約数列:

[1, 3, 5, 9, 15, 45, 557, 1153, 1671, 2785, 3459, 5013, 5765, 8355, 10377, 17295, 25065, 51885, 642221, 1926663, 3211105, 5779989, 9633315, 28899945]

約数ペア:

[(1, 28899945), (3, 9633315), (5, 5779989), (9, 3211105), (15, 1926663), (45, 642221), (557, 51885), (1153, 25065), (1671, 17295), (2785, 10377), (3459, 8355), (5013, 5765)]