210990175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2467}}^1$

素因数の和:2799

約数の個数: 24

約数和(自身を含む): 286445952

約数和(自身を除く): 75455777

約数列:

[1, 5, 11, 25, 55, 275, 311, 1555, 2467, 3421, 7775, 12335, 17105, 27137, 61675, 85525, 135685, 678425, 767237, 3836185, 8439607, 19180925, 42198035, 210990175]

約数ペア:

[(1, 210990175), (5, 42198035), (11, 19180925), (25, 8439607), (55, 3836185), (275, 767237), (311, 678425), (1555, 135685), (2467, 85525), (3421, 61675), (7775, 27137), (12335, 17105)]