15940431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3323}}^1$

素因数の和:3383

約数の個数: 24

約数和(自身を含む): 25408656

約数和(自身を除く): 9468225

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 3323, 4797, 9969, 29907, 43199, 129597, 136243, 388791, 408729, 1226187, 1771159, 5313477, 15940431]

約数ペア:

[(1, 15940431), (3, 5313477), (9, 1771159), (13, 1226187), (39, 408729), (41, 388791), (117, 136243), (123, 129597), (369, 43199), (533, 29907), (1599, 9969), (3323, 4797)]