172305

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{547}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 341952

約数和(自身を除く): 169647

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 547, 1641, 2735, 3829, 4923, 8205, 11487, 19145, 24615, 34461, 57435, 172305]

約数ペア:

[(1, 172305), (3, 57435), (5, 34461), (7, 24615), (9, 19145), (15, 11487), (21, 8205), (35, 4923), (45, 3829), (63, 2735), (105, 1641), (315, 547)]