42778131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{27581}}^1$

素因数の和:27642

約数の個数: 16

約数和(自身を含む): 63548928

約数和(自身を除く): 20770797

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 27581, 82743, 303391, 910173, 1296307, 3888921, 14259377, 42778131]

約数ペア:

[(1, 42778131), (3, 14259377), (11, 3888921), (33, 1296307), (47, 910173), (141, 303391), (517, 82743), (1551, 27581)]