28364265

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{13411}}^1$

素因数の和:13469

約数の個数: 24

約数和(自身を含む): 50214528

約数和(自身を除く): 21850263

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 13411, 40233, 67055, 120699, 201165, 603495, 630317, 1890951, 3151585, 5672853, 9454755, 28364265]

約数ペア:

[(1, 28364265), (3, 9454755), (5, 5672853), (9, 3151585), (15, 1890951), (45, 630317), (47, 603495), (141, 201165), (235, 120699), (423, 67055), (705, 40233), (2115, 13411)]