27556375

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 43748640

約数和(自身を除く): 16192265

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 125, 175, 245, 275, 385, 409, 539, 875, 1225, 1375, 1925, 2045, 2695, 2863, 4499, 6125, 9625, 10225, 13475, 14315, 20041, 22495, 31493, 51125, 67375, 71575, 100205, 112475, 157465, 220451, 357875, 501025, 562375, 787325, 1102255, 2505125, 3936625, 5511275, 27556375]

約数ペア:

[(1, 27556375), (5, 5511275), (7, 3936625), (11, 2505125), (25, 1102255), (35, 787325), (49, 562375), (55, 501025), (77, 357875), (125, 220451), (175, 157465), (245, 112475), (275, 100205), (385, 71575), (409, 67375), (539, 51125), (875, 31493), (1225, 22495), (1375, 20041), (1925, 14315), (2045, 13475), (2695, 10225), (2863, 9625), (4499, 6125)]