13809523

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:216

約数の個数: 32

約数和(自身を含む): 18368000

約数和(自身を除く): 4558477

約数列:

[1, 7, 13, 19, 49, 91, 133, 163, 247, 343, 637, 931, 1141, 1729, 2119, 3097, 4459, 6517, 7987, 12103, 14833, 21679, 40261, 55909, 84721, 103831, 151753, 281827, 726817, 1062271, 1972789, 13809523]

約数ペア:

[(1, 13809523), (7, 1972789), (13, 1062271), (19, 726817), (49, 281827), (91, 151753), (133, 103831), (163, 84721), (247, 55909), (343, 40261), (637, 21679), (931, 14833), (1141, 12103), (1729, 7987), (2119, 6517), (3097, 4459)]