81211909

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{797}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 88865280

約数和(自身を除く): 7653371

約数列:

[1, 19, 31, 173, 589, 797, 3287, 5363, 15143, 24707, 101897, 137881, 469433, 2619739, 4274311, 81211909]

約数ペア:

[(1, 81211909), (19, 4274311), (31, 2619739), (173, 469433), (589, 137881), (797, 101897), (3287, 24707), (5363, 15143)]