215440973

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{2687}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 242694144

約数和(自身を除く): 27253171

約数列:

[1, 11, 37, 197, 407, 2167, 2687, 7289, 29557, 80179, 99419, 529339, 1093609, 5822729, 19585543, 215440973]

約数ペア:

[(1, 215440973), (11, 19585543), (37, 5822729), (197, 1093609), (407, 529339), (2167, 99419), (2687, 80179), (7289, 29557)]