221458407

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1\times {\mathrm{3407}}^1$

素因数の和:3918

約数の個数: 16

約数和(自身を含む): 302303232

約数和(自身を除く): 80844825

約数列:

[1, 3, 47, 141, 461, 1383, 3407, 10221, 21667, 65001, 160129, 480387, 1570627, 4711881, 73819469, 221458407]

約数ペア:

[(1, 221458407), (3, 73819469), (47, 4711881), (141, 1570627), (461, 480387), (1383, 160129), (3407, 65001), (10221, 21667)]