81191825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1747}}^1$

素因数の和:1794

約数の個数: 36

約数和(自身を含む): 118996848

約数和(自身を除く): 37805023

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 169, 275, 325, 715, 845, 1747, 1859, 3575, 4225, 8735, 9295, 19217, 22711, 43675, 46475, 96085, 113555, 249821, 295243, 480425, 567775, 1249105, 1476215, 3247673, 6245525, 7381075, 16238365, 81191825]

約数ペア:

[(1, 81191825), (5, 16238365), (11, 7381075), (13, 6245525), (25, 3247673), (55, 1476215), (65, 1249105), (143, 567775), (169, 480425), (275, 295243), (325, 249821), (715, 113555), (845, 96085), (1747, 46475), (1859, 43675), (3575, 22711), (4225, 19217), (8735, 9295)]