28668225

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9323}}^1$

素因数の和:9377

約数の個数: 24

約数和(自身を含む): 48559392

約数和(自身を除く): 19891167

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 9323, 27969, 46615, 139845, 233075, 382243, 699225, 1146729, 1911215, 5733645, 9556075, 28668225]

約数ペア:

[(1, 28668225), (3, 9556075), (5, 5733645), (15, 1911215), (25, 1146729), (41, 699225), (75, 382243), (123, 233075), (205, 139845), (615, 46615), (1025, 27969), (3075, 9323)]