51172401

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 82944000

約数和(自身を除く): 31771599

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 1113, 1219, 1999, 3657, 5997, 8533, 13993, 25599, 41979, 45977, 105947, 137931, 317841, 321839, 741629, 965517, 2224887, 2436781, 7310343, 17057467, 51172401]

約数ペア:

[(1, 51172401), (3, 17057467), (7, 7310343), (21, 2436781), (23, 2224887), (53, 965517), (69, 741629), (159, 321839), (161, 317841), (371, 137931), (483, 105947), (1113, 45977), (1219, 41979), (1999, 25599), (3657, 13993), (5997, 8533)]