86972613

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318581}}^1$

素因数の和:318604

約数の個数: 16

約数和(自身を含む): 142724736

約数和(自身を除く): 55752123

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 318581, 955743, 2230067, 4141553, 6690201, 12424659, 28990871, 86972613]

約数ペア:

[(1, 86972613), (3, 28990871), (7, 12424659), (13, 6690201), (21, 4141553), (39, 2230067), (91, 955743), (273, 318581)]