1921829

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:465

約数の個数: 16

約数和(自身を含む): 2419200

約数和(自身を除く): 497371

約数列:

[1, 7, 13, 49, 91, 343, 431, 637, 3017, 4459, 5603, 21119, 39221, 147833, 274547, 1921829]

約数ペア:

[(1, 1921829), (7, 274547), (13, 147833), (49, 39221), (91, 21119), (343, 5603), (431, 4459), (637, 3017)]