2778678

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{7351}}^1$

素因数の和:7369

約数の個数: 32

約数和(自身を含む): 7057920

約数和(自身を除く): 4279242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 7351, 14702, 22053, 44106, 51457, 66159, 102914, 132318, 154371, 198477, 308742, 396954, 463113, 926226, 1389339, 2778678]

約数ペア:

[(1, 2778678), (2, 1389339), (3, 926226), (6, 463113), (7, 396954), (9, 308742), (14, 198477), (18, 154371), (21, 132318), (27, 102914), (42, 66159), (54, 51457), (63, 44106), (126, 22053), (189, 14702), (378, 7351)]