38778561

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 32

約数和(自身を含む): 59473920

約数和(自身を除く): 20695359

約数列:

[1, 3, 9, 27, 43, 127, 129, 263, 381, 387, 789, 1143, 1161, 2367, 3429, 5461, 7101, 11309, 16383, 33401, 33927, 49149, 100203, 101781, 147447, 300609, 305343, 901827, 1436243, 4308729, 12926187, 38778561]

約数ペア:

[(1, 38778561), (3, 12926187), (9, 4308729), (27, 1436243), (43, 901827), (127, 305343), (129, 300609), (263, 147447), (381, 101781), (387, 100203), (789, 49149), (1143, 33927), (1161, 33401), (2367, 16383), (3429, 11309), (5461, 7101)]