28666029

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11471}}^1$

素因数の和:11505

約数の個数: 24

約数和(自身を含む): 47081088

約数和(自身を除く): 18415059

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11471, 34413, 80297, 195007, 240891, 562079, 585021, 1365049, 1686237, 4095147, 9555343, 28666029]

約数ペア:

[(1, 28666029), (3, 9555343), (7, 4095147), (17, 1686237), (21, 1365049), (49, 585021), (51, 562079), (119, 240891), (147, 195007), (357, 80297), (833, 34413), (2499, 11471)]