28016079

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2503}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 47115264

約数和(自身を除く): 19099185

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 2503, 3731, 7509, 11193, 17521, 32539, 52563, 97617, 102623, 227773, 307869, 683319, 718361, 1334099, 2155083, 4002297, 9338693, 28016079]

約数ペア:

[(1, 28016079), (3, 9338693), (7, 4002297), (13, 2155083), (21, 1334099), (39, 718361), (41, 683319), (91, 307869), (123, 227773), (273, 102623), (287, 97617), (533, 52563), (861, 32539), (1599, 17521), (2503, 11193), (3731, 7509)]