13565421

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{367}}^1$

素因数の和:450

約数の個数: 24

約数和(自身を含む): 20711040

約数和(自身を除く): 7145619

約数列:

[1, 3, 9, 27, 37, 111, 333, 367, 999, 1101, 1369, 3303, 4107, 9909, 12321, 13579, 36963, 40737, 122211, 366633, 502423, 1507269, 4521807, 13565421]

約数ペア:

[(1, 13565421), (3, 4521807), (9, 1507269), (27, 502423), (37, 366633), (111, 122211), (333, 40737), (367, 36963), (999, 13579), (1101, 12321), (1369, 9909), (3303, 4107)]