27820705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1409}}^1$

素因数の和:1784

約数の個数: 16

約数和(自身を含む): 36547200

約数和(自身を除く): 8726495

約数列:

[1, 5, 11, 55, 359, 1409, 1795, 3949, 7045, 15499, 19745, 77495, 505831, 2529155, 5564141, 27820705]

約数ペア:

[(1, 27820705), (5, 5564141), (11, 2529155), (55, 505831), (359, 77495), (1409, 19745), (1795, 15499), (3949, 7045)]