121638559

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{1721}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 145474560

約数和(自身を除く): 23836001

約数列:

[1, 7, 23, 161, 439, 1721, 3073, 10097, 12047, 39583, 70679, 277081, 755519, 5288633, 17376937, 121638559]

約数ペア:

[(1, 121638559), (7, 17376937), (23, 5288633), (161, 755519), (439, 277081), (1721, 70679), (3073, 39583), (10097, 12047)]