81723209

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1097}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 88542720

約数和(自身を除く): 6819511

約数列:

[1, 23, 41, 79, 943, 1097, 1817, 3239, 25231, 44977, 74497, 86663, 1034471, 1993249, 3553183, 81723209]

約数ペア:

[(1, 81723209), (23, 3553183), (41, 1993249), (79, 1034471), (943, 86663), (1097, 74497), (1817, 44977), (3239, 25231)]