27990635

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1289}}^1$

素因数の和:1438

約数の個数: 16

約数和(自身を含む): 34737120

約数和(自身を除く): 6746485

約数列:

[1, 5, 43, 101, 215, 505, 1289, 4343, 6445, 21715, 55427, 130189, 277135, 650945, 5598127, 27990635]

約数ペア:

[(1, 27990635), (5, 5598127), (43, 650945), (101, 277135), (215, 130189), (505, 55427), (1289, 21715), (4343, 6445)]