12728415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{503}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 23417856

約数和(自身を除く): 10689441

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 241, 503, 723, 1205, 1509, 1687, 2515, 3521, 3615, 5061, 7545, 8435, 10563, 17605, 25305, 52815, 121223, 363669, 606115, 848561, 1818345, 2545683, 4242805, 12728415]

約数ペア:

[(1, 12728415), (3, 4242805), (5, 2545683), (7, 1818345), (15, 848561), (21, 606115), (35, 363669), (105, 121223), (241, 52815), (503, 25305), (723, 17605), (1205, 10563), (1509, 8435), (1687, 7545), (2515, 5061), (3521, 3615)]