172531395

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 315731520

約数和(自身を除く): 143200125

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 89, 115, 207, 267, 345, 445, 801, 1035, 1335, 1873, 2047, 4005, 5619, 6141, 9365, 10235, 16857, 18423, 28095, 30705, 43079, 84285, 92115, 129237, 166697, 215395, 387711, 500091, 646185, 833485, 1500273, 1938555, 2500455, 3834031, 7501365, 11502093, 19170155, 34506279, 57510465, 172531395]

約数ペア:

[(1, 172531395), (3, 57510465), (5, 34506279), (9, 19170155), (15, 11502093), (23, 7501365), (45, 3834031), (69, 2500455), (89, 1938555), (115, 1500273), (207, 833485), (267, 646185), (345, 500091), (445, 387711), (801, 215395), (1035, 166697), (1335, 129237), (1873, 92115), (2047, 84285), (4005, 43079), (5619, 30705), (6141, 28095), (9365, 18423), (10235, 16857)]