39986961

素因数分解:

$3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{7901}}^1$

素因数の和:8152

約数の個数: 16

約数和(自身を含む): 61193088

約数和(自身を除く): 21206127

約数列:

[1, 3, 7, 21, 241, 723, 1687, 5061, 7901, 23703, 55307, 165921, 1904141, 5712423, 13328987, 39986961]

約数ペア:

[(1, 39986961), (3, 13328987), (7, 5712423), (21, 1904141), (241, 165921), (723, 55307), (1687, 23703), (5061, 7901)]