28138425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{53597}}^1$

素因数の和:53617

約数の個数: 24

約数和(自身を含む): 53169216

約数和(自身を除く): 25030791

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 53597, 160791, 267985, 375179, 803955, 1125537, 1339925, 1875895, 4019775, 5627685, 9379475, 28138425]

約数ペア:

[(1, 28138425), (3, 9379475), (5, 5627685), (7, 4019775), (15, 1875895), (21, 1339925), (25, 1125537), (35, 803955), (75, 375179), (105, 267985), (175, 160791), (525, 53597)]