217092875

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 282504768

約数和(自身を除く): 65411893

約数列:

[1, 5, 25, 37, 73, 125, 185, 365, 643, 925, 1825, 2701, 3215, 4625, 9125, 13505, 16075, 23791, 46939, 67525, 80375, 118955, 234695, 337625, 594775, 1173475, 1736743, 2973875, 5867375, 8683715, 43418575, 217092875]

約数ペア:

[(1, 217092875), (5, 43418575), (25, 8683715), (37, 5867375), (73, 2973875), (125, 1736743), (185, 1173475), (365, 594775), (643, 337625), (925, 234695), (1825, 118955), (2701, 80375), (3215, 67525), (4625, 46939), (9125, 23791), (13505, 16075)]