12728715

素因数分解:

$3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{2239}}^1$

素因数の和:2626

約数の個数: 16

約数和(自身を含む): 20428800

約数和(自身を除く): 7700085

約数列:

[1, 3, 5, 15, 379, 1137, 1895, 2239, 5685, 6717, 11195, 33585, 848581, 2545743, 4242905, 12728715]

約数ペア:

[(1, 12728715), (3, 4242905), (5, 2545743), (15, 848581), (379, 33585), (1137, 11195), (1895, 6717), (2239, 5685)]