12712515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49853}}^1$

素因数の和:49878

約数の個数: 16

約数和(自身を含む): 21536928

約数和(自身を除く): 8824413

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 49853, 149559, 249265, 747795, 847501, 2542503, 4237505, 12712515]

約数ペア:

[(1, 12712515), (3, 4237505), (5, 2542503), (15, 847501), (17, 747795), (51, 249265), (85, 149559), (255, 49853)]