27721925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14401}}^1$

素因数の和:14429

約数の個数: 24

約数和(自身を含む): 42860352

約数和(自身を除く): 15138427

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 14401, 72005, 100807, 158411, 360025, 504035, 792055, 1108877, 2520175, 3960275, 5544385, 27721925]

約数ペア:

[(1, 27721925), (5, 5544385), (7, 3960275), (11, 2520175), (25, 1108877), (35, 792055), (55, 504035), (77, 360025), (175, 158411), (275, 100807), (385, 72005), (1925, 14401)]