28786125

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2647}}^1$

素因数の和:2694

約数の個数: 32

約数和(自身を含む): 49570560

約数和(自身を除く): 20784435

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 125, 145, 375, 435, 725, 2175, 2647, 3625, 7941, 10875, 13235, 39705, 66175, 76763, 198525, 230289, 330875, 383815, 992625, 1151445, 1919075, 5757225, 9595375, 28786125]

約数ペア:

[(1, 28786125), (3, 9595375), (5, 5757225), (15, 1919075), (25, 1151445), (29, 992625), (75, 383815), (87, 330875), (125, 230289), (145, 198525), (375, 76763), (435, 66175), (725, 39705), (2175, 13235), (2647, 10875), (3625, 7941)]