15280993

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 20160000

約数和(自身を除く): 4879007

約数列:

[1, 7, 13, 23, 49, 91, 149, 161, 299, 343, 637, 1043, 1127, 1937, 2093, 3427, 4459, 7301, 7889, 13559, 14651, 23989, 44551, 51107, 94913, 102557, 167923, 311857, 664391, 1175461, 2182999, 15280993]

約数ペア:

[(1, 15280993), (7, 2182999), (13, 1175461), (23, 664391), (49, 311857), (91, 167923), (149, 102557), (161, 94913), (299, 51107), (343, 44551), (637, 23989), (1043, 14651), (1127, 13559), (1937, 7889), (2093, 7301), (3427, 4459)]