80989363

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 101004288

約数和(自身を除く): 20014925

約数列:

[1, 7, 13, 91, 169, 223, 307, 1183, 1561, 2149, 2899, 3991, 20293, 27937, 37687, 51883, 68461, 263809, 363181, 479227, 889993, 6229951, 11569909, 80989363]

約数ペア:

[(1, 80989363), (7, 11569909), (13, 6229951), (91, 889993), (169, 479227), (223, 363181), (307, 263809), (1183, 68461), (1561, 51883), (2149, 37687), (2899, 27937), (3991, 20293)]