2643025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1373}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 4089024

約数和(自身を除く): 1445999

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1373, 1925, 6865, 9611, 15103, 34325, 48055, 75515, 105721, 240275, 377575, 528605, 2643025]

約数ペア:

[(1, 2643025), (5, 528605), (7, 377575), (11, 240275), (25, 105721), (35, 75515), (55, 48055), (77, 34325), (175, 15103), (275, 9611), (385, 6865), (1373, 1925)]