138721401

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{24197}}^1$

素因数の和:24230

約数の個数: 36

約数和(自身を含む): 251030052

約数和(自身を除く): 112308651

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 24197, 72591, 169379, 217773, 314561, 508137, 943683, 1185653, 1524411, 2201927, 2831049, 3556959, 6605781, 10670877, 15413489, 19817343, 46240467, 138721401]

約数ペア:

[(1, 138721401), (3, 46240467), (7, 19817343), (9, 15413489), (13, 10670877), (21, 6605781), (39, 3556959), (49, 2831049), (63, 2201927), (91, 1524411), (117, 1185653), (147, 943683), (273, 508137), (441, 314561), (637, 217773), (819, 169379), (1911, 72591), (5733, 24197)]