1283335

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 1622016

約数和(自身を除く): 338681

約数列:

[1, 5, 43, 47, 127, 215, 235, 635, 2021, 5461, 5969, 10105, 27305, 29845, 256667, 1283335]

約数ペア:

[(1, 1283335), (5, 256667), (43, 29845), (47, 27305), (127, 10105), (215, 5969), (235, 5461), (635, 2021)]