19920921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2803}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 27995136

約数和(自身を除く): 8074215

約数列:

[1, 3, 23, 69, 103, 309, 2369, 2803, 7107, 8409, 64469, 193407, 288709, 866127, 6640307, 19920921]

約数ペア:

[(1, 19920921), (3, 6640307), (23, 866127), (69, 288709), (103, 193407), (309, 64469), (2369, 8409), (2803, 7107)]