72017475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 123480192

約数和(自身を除く): 51462717

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 137, 163, 215, 411, 489, 645, 685, 815, 1075, 2055, 2445, 3225, 3425, 4075, 5891, 7009, 10275, 12225, 17673, 21027, 22331, 29455, 35045, 66993, 88365, 105135, 111655, 147275, 175225, 334965, 441825, 525675, 558275, 960233, 1674825, 2880699, 4801165, 14403495, 24005825, 72017475]

約数ペア:

[(1, 72017475), (3, 24005825), (5, 14403495), (15, 4801165), (25, 2880699), (43, 1674825), (75, 960233), (129, 558275), (137, 525675), (163, 441825), (215, 334965), (411, 175225), (489, 147275), (645, 111655), (685, 105135), (815, 88365), (1075, 66993), (2055, 35045), (2445, 29455), (3225, 22331), (3425, 21027), (4075, 17673), (5891, 12225), (7009, 10275)]