28409703

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79579}}^1$

素因数の和:79606

約数の個数: 16

約数和(自身を含む): 45838080

約数和(自身を除く): 17428377

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 79579, 238737, 557053, 1352843, 1671159, 4058529, 9469901, 28409703]

約数ペア:

[(1, 28409703), (3, 9469901), (7, 4058529), (17, 1671159), (21, 1352843), (51, 557053), (119, 238737), (357, 79579)]