81899505

素因数分解:

$3^6\times 5^1\times {\mathrm{22469}}^1$

素因数の和:22492

約数の個数: 28

約数和(自身を含む): 147358260

約数和(自身を除く): 65458755

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 22469, 67407, 112345, 202221, 337035, 606663, 1011105, 1819989, 3033315, 5459967, 9099945, 16379901, 27299835, 81899505]

約数ペア:

[(1, 81899505), (3, 27299835), (5, 16379901), (9, 9099945), (15, 5459967), (27, 3033315), (45, 1819989), (81, 1011105), (135, 606663), (243, 337035), (405, 202221), (729, 112345), (1215, 67407), (3645, 22469)]