669459

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 1036800

約数和(自身を除く): 367341

約数列:

[1, 3, 7, 21, 71, 213, 449, 497, 1347, 1491, 3143, 9429, 31879, 95637, 223153, 669459]

約数ペア:

[(1, 669459), (3, 223153), (7, 95637), (21, 31879), (71, 9429), (213, 3143), (449, 1491), (497, 1347)]