212317857

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{1783}}^1$

素因数の和:2021

約数の個数: 24

約数和(自身を含む): 312257088

約数和(自身を除く): 99939231

約数列:

[1, 3, 9, 101, 131, 303, 393, 909, 1179, 1783, 5349, 13231, 16047, 39693, 119079, 180083, 233573, 540249, 700719, 1620747, 2102157, 23590873, 70772619, 212317857]

約数ペア:

[(1, 212317857), (3, 70772619), (9, 23590873), (101, 2102157), (131, 1620747), (303, 700719), (393, 540249), (909, 233573), (1179, 180083), (1783, 119079), (5349, 39693), (13231, 16047)]