201328881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{443}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 297572352

約数和(自身を除く): 96243471

約数列:

[1, 3, 13, 39, 43, 129, 271, 443, 559, 813, 1329, 1677, 3523, 5759, 10569, 11653, 17277, 19049, 34959, 57147, 120053, 151489, 247637, 360159, 454467, 742911, 1560689, 4682067, 5162279, 15486837, 67109627, 201328881]

約数ペア:

[(1, 201328881), (3, 67109627), (13, 15486837), (39, 5162279), (43, 4682067), (129, 1560689), (271, 742911), (443, 454467), (559, 360159), (813, 247637), (1329, 151489), (1677, 120053), (3523, 57147), (5759, 34959), (10569, 19049), (11653, 17277)]