138849217

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 164436480

約数和(自身を除く): 25587263

約数列:

[1, 13, 17, 31, 169, 221, 403, 527, 1559, 2873, 5239, 6851, 20267, 26503, 48329, 89063, 263471, 344539, 628277, 821593, 4479007, 8167601, 10680709, 138849217]

約数ペア:

[(1, 138849217), (13, 10680709), (17, 8167601), (31, 4479007), (169, 821593), (221, 628277), (403, 344539), (527, 263471), (1559, 89063), (2873, 48329), (5239, 26503), (6851, 20267)]