31229145

素因数分解:

$3^5\times 5^1\times {\mathrm{25703}}^1$

素因数の和:25723

約数の個数: 24

約数和(自身を含む): 56137536

約数和(自身を除く): 24908391

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 25703, 77109, 128515, 231327, 385545, 693981, 1156635, 2081943, 3469905, 6245829, 10409715, 31229145]

約数ペア:

[(1, 31229145), (3, 10409715), (5, 6245829), (9, 3469905), (15, 2081943), (27, 1156635), (45, 693981), (81, 385545), (135, 231327), (243, 128515), (405, 77109), (1215, 25703)]