28263297

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2609}}^1$

素因数の和:2792

約数の個数: 16

約数和(自身を含む): 39588480

約数和(自身を除く): 11325183

約数列:

[1, 3, 23, 69, 157, 471, 2609, 3611, 7827, 10833, 60007, 180021, 409613, 1228839, 9421099, 28263297]

約数ペア:

[(1, 28263297), (3, 9421099), (23, 1228839), (69, 409613), (157, 180021), (471, 60007), (2609, 10833), (3611, 7827)]