28513275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{54311}}^1$

素因数の和:54331

約数の個数: 24

約数和(自身を含む): 53877504

約数和(自身を除く): 25364229

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 54311, 162933, 271555, 380177, 814665, 1140531, 1357775, 1900885, 4073325, 5702655, 9504425, 28513275]

約数ペア:

[(1, 28513275), (3, 9504425), (5, 5702655), (7, 4073325), (15, 1900885), (21, 1357775), (25, 1140531), (35, 814665), (75, 380177), (105, 271555), (175, 162933), (525, 54311)]