28049847

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{78571}}^1$

素因数の和:78598

約数の個数: 16

約数和(自身を含む): 45257472

約数和(自身を除く): 17207625

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 78571, 235713, 549997, 1335707, 1649991, 4007121, 9349949, 28049847]

約数ペア:

[(1, 28049847), (3, 9349949), (7, 4007121), (17, 1649991), (21, 1335707), (51, 549997), (119, 235713), (357, 78571)]