18085707

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 27776000

約数和(自身を除く): 9690293

約数列:

[1, 3, 9, 27, 61, 79, 139, 183, 237, 417, 549, 711, 1251, 1647, 2133, 3753, 4819, 8479, 10981, 14457, 25437, 32943, 43371, 76311, 98829, 130113, 228933, 296487, 669841, 2009523, 6028569, 18085707]

約数ペア:

[(1, 18085707), (3, 6028569), (9, 2009523), (27, 669841), (61, 296487), (79, 228933), (139, 130113), (183, 98829), (237, 76311), (417, 43371), (549, 32943), (711, 25437), (1251, 14457), (1647, 10981), (2133, 8479), (3753, 4819)]