20171253

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{7901}}^1$

素因数の和:7964

約数の個数: 16

約数和(自身を含む): 28826496

約数和(自身を除く): 8655243

約数列:

[1, 3, 23, 37, 69, 111, 851, 2553, 7901, 23703, 181723, 292337, 545169, 877011, 6723751, 20171253]

約数ペア:

[(1, 20171253), (3, 6723751), (23, 877011), (37, 545169), (69, 292337), (111, 181723), (851, 23703), (2553, 7901)]