81615621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{23473}}^1$

素因数の和:23556

約数の個数: 16

約数和(自身を含む): 116431040

約数和(自身を除く): 34815419

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 23473, 70419, 445987, 1337961, 1431853, 4295559, 27205207, 81615621]

約数ペア:

[(1, 81615621), (3, 27205207), (19, 4295559), (57, 1431853), (61, 1337961), (183, 445987), (1159, 70419), (3477, 23473)]