12785445

素因数分解:

$3^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 24373440

約数和(自身を除く): 11587995

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 619, 765, 1215, 1377, 1857, 2295, 3095, 4131, 5571, 6885, 9285, 10523, 16713, 20655, 27855, 31569, 50139, 52615, 83565, 94707, 150417, 157845, 250695, 284121, 473535, 752085, 852363, 1420605, 2557089, 4261815, 12785445]

約数ペア:

[(1, 12785445), (3, 4261815), (5, 2557089), (9, 1420605), (15, 852363), (17, 752085), (27, 473535), (45, 284121), (51, 250695), (81, 157845), (85, 150417), (135, 94707), (153, 83565), (243, 52615), (255, 50139), (405, 31569), (459, 27855), (619, 20655), (765, 16713), (1215, 10523), (1377, 9285), (1857, 6885), (2295, 5571), (3095, 4131)]