1616001

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 2244864

約数和(自身を除く): 628863

約数列:

[1, 3, 47, 73, 141, 157, 219, 471, 3431, 7379, 10293, 11461, 22137, 34383, 538667, 1616001]

約数ペア:

[(1, 1616001), (3, 538667), (47, 34383), (73, 22137), (141, 11461), (157, 10293), (219, 7379), (471, 3431)]