28225575

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17921}}^1$

素因数の和:17944

約数の個数: 36

約数和(自身を含む): 57780528

約数和(自身を除く): 29554953

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 17921, 53763, 89605, 125447, 161289, 268815, 376341, 448025, 627235, 806445, 1129023, 1344075, 1881705, 3136175, 4032225, 5645115, 9408525, 28225575]

約数ペア:

[(1, 28225575), (3, 9408525), (5, 5645115), (7, 4032225), (9, 3136175), (15, 1881705), (21, 1344075), (25, 1129023), (35, 806445), (45, 627235), (63, 448025), (75, 376341), (105, 268815), (175, 161289), (225, 125447), (315, 89605), (525, 53763), (1575, 17921)]