28625895

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1511}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 49768992

約数和(自身を除く): 21143097

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 1511, 2105, 3789, 4533, 6315, 7555, 13599, 18945, 22665, 67995, 636131, 1908393, 3180655, 5725179, 9541965, 28625895]

約数ペア:

[(1, 28625895), (3, 9541965), (5, 5725179), (9, 3180655), (15, 1908393), (45, 636131), (421, 67995), (1263, 22665), (1511, 18945), (2105, 13599), (3789, 7555), (4533, 6315)]