81301623

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67247}}^1$

素因数の和:67294

約数の個数: 16

約数和(自身を含む): 120508416

約数和(自身を除く): 39206793

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 67247, 201741, 874211, 2084657, 2622633, 6253971, 27100541, 81301623]

約数ペア:

[(1, 81301623), (3, 27100541), (13, 6253971), (31, 2622633), (39, 2084657), (93, 874211), (403, 201741), (1209, 67247)]