2981825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1549}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 4612800

約数和(自身を除く): 1630975

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1549, 1925, 7745, 10843, 17039, 38725, 54215, 85195, 119273, 271075, 425975, 596365, 2981825]

約数ペア:

[(1, 2981825), (5, 596365), (7, 425975), (11, 271075), (25, 119273), (35, 85195), (55, 54215), (77, 38725), (175, 17039), (275, 10843), (385, 7745), (1549, 1925)]