28327881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{571}}^1\times {\mathrm{719}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 39536640

約数和(自身を除く): 11208759

約数列:

[1, 3, 23, 69, 571, 719, 1713, 2157, 13133, 16537, 39399, 49611, 410549, 1231647, 9442627, 28327881]

約数ペア:

[(1, 28327881), (3, 9442627), (23, 1231647), (69, 410549), (571, 49611), (719, 39399), (1713, 16537), (2157, 13133)]