28639395

素因数分解:

$3^2\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1103}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 49772736

約数和(自身を除く): 21133341

約数列:

[1, 3, 5, 9, 15, 45, 577, 1103, 1731, 2885, 3309, 5193, 5515, 8655, 9927, 16545, 25965, 49635, 636431, 1909293, 3182155, 5727879, 9546465, 28639395]

約数ペア:

[(1, 28639395), (3, 9546465), (5, 5727879), (9, 3182155), (15, 1909293), (45, 636431), (577, 49635), (1103, 25965), (1731, 16545), (2885, 9927), (3309, 8655), (5193, 5515)]