28305627

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{7057}}^1$

素因数の和:7258

約数の個数: 16

約数和(自身を含む): 43364352

約数和(自身を除く): 15058725

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 7057, 21171, 49399, 148197, 1347887, 4043661, 9435209, 28305627]

約数ペア:

[(1, 28305627), (3, 9435209), (7, 4043661), (21, 1347887), (191, 148197), (573, 49399), (1337, 21171), (4011, 7057)]