16815279

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 25467904

約数和(自身を除く): 8652625

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 271, 481, 559, 813, 1443, 1591, 1677, 3523, 4773, 10027, 10569, 11653, 20683, 30081, 34959, 62049, 130351, 151489, 391053, 431161, 454467, 1293483, 5605093, 16815279]

約数ペア:

[(1, 16815279), (3, 5605093), (13, 1293483), (37, 454467), (39, 431161), (43, 391053), (111, 151489), (129, 130351), (271, 62049), (481, 34959), (559, 30081), (813, 20683), (1443, 11653), (1591, 10569), (1677, 10027), (3523, 4773)]