87431331

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{117991}}^1$

素因数の和:118026

約数の個数: 16

約数和(自身を含む): 132151040

約数和(自身を除く): 44719709

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 117991, 353973, 1533883, 2241829, 4601649, 6725487, 29143777, 87431331]

約数ペア:

[(1, 87431331), (3, 29143777), (13, 6725487), (19, 4601649), (39, 2241829), (57, 1533883), (247, 353973), (741, 117991)]