81207435

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{919}}^1$

素因数の和:1107

約数の個数: 32

約数和(自身を含む): 134069760

約数和(自身を除く): 52862325

約数列:

[1, 3, 5, 15, 43, 129, 137, 215, 411, 645, 685, 919, 2055, 2757, 4595, 5891, 13785, 17673, 29455, 39517, 88365, 118551, 125903, 197585, 377709, 592755, 629515, 1888545, 5413829, 16241487, 27069145, 81207435]

約数ペア:

[(1, 81207435), (3, 27069145), (5, 16241487), (15, 5413829), (43, 1888545), (129, 629515), (137, 592755), (215, 377709), (411, 197585), (645, 125903), (685, 118551), (919, 88365), (2055, 39517), (2757, 29455), (4595, 17673), (5891, 13785)]