217214907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{795659}}^1$

素因数の和:795682

約数の個数: 16

約数和(自身を含む): 356455680

約数和(自身を除く): 139240773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 795659, 2386977, 5569613, 10343567, 16708839, 31030701, 72404969, 217214907]

約数ペア:

[(1, 217214907), (3, 72404969), (7, 31030701), (13, 16708839), (21, 10343567), (39, 5569613), (91, 2386977), (273, 795659)]