27880853

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 39989376

約数和(自身を除く): 12108523

約数列:

[1, 7, 11, 13, 23, 49, 77, 91, 143, 161, 173, 253, 299, 539, 637, 1001, 1127, 1211, 1771, 1903, 2093, 2249, 3289, 3979, 7007, 8477, 12397, 13321, 14651, 15743, 23023, 24739, 27853, 43769, 51727, 93247, 110201, 161161, 173173, 194971, 306383, 362089, 568997, 1212211, 2144681, 2534623, 3982979, 27880853]

約数ペア:

[(1, 27880853), (7, 3982979), (11, 2534623), (13, 2144681), (23, 1212211), (49, 568997), (77, 362089), (91, 306383), (143, 194971), (161, 173173), (173, 161161), (253, 110201), (299, 93247), (539, 51727), (637, 43769), (1001, 27853), (1127, 24739), (1211, 23023), (1771, 15743), (1903, 14651), (2093, 13321), (2249, 12397), (3289, 8477), (3979, 7007)]