28106235

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 50633856

約数和(自身を除く): 22527621

約数列:

[1, 3, 5, 9, 15, 45, 47, 97, 137, 141, 235, 291, 411, 423, 485, 685, 705, 873, 1233, 1455, 2055, 2115, 4365, 4559, 6165, 6439, 13289, 13677, 19317, 22795, 32195, 39867, 41031, 57951, 66445, 68385, 96585, 119601, 199335, 205155, 289755, 598005, 624583, 1873749, 3122915, 5621247, 9368745, 28106235]

約数ペア:

[(1, 28106235), (3, 9368745), (5, 5621247), (9, 3122915), (15, 1873749), (45, 624583), (47, 598005), (97, 289755), (137, 205155), (141, 199335), (235, 119601), (291, 96585), (411, 68385), (423, 66445), (485, 57951), (685, 41031), (705, 39867), (873, 32195), (1233, 22795), (1455, 19317), (2055, 13677), (2115, 13289), (4365, 6439), (4559, 6165)]