215361991

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{3089}}^1$

素因数の和:3306

約数の個数: 16

約数和(自身を含む): 240871680

約数和(自身を除く): 25509689

約数列:

[1, 13, 31, 173, 403, 2249, 3089, 5363, 40157, 69719, 95759, 534397, 1244867, 6947161, 16566307, 215361991]

約数ペア:

[(1, 215361991), (13, 16566307), (31, 6947161), (173, 1244867), (403, 534397), (2249, 95759), (3089, 69719), (5363, 40157)]