26991495

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 53568000

約数和(自身を除く): 26576505

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 619, 765, 855, 969, 1615, 1857, 2295, 2565, 2907, 3095, 4845, 5571, 8721, 9285, 10523, 11761, 14535, 16713, 27855, 31569, 35283, 43605, 52615, 58805, 83565, 94707, 105849, 157845, 176415, 199937, 284121, 317547, 473535, 529245, 599811, 999685, 1420605, 1587735, 1799433, 2999055, 5398299, 8997165, 26991495]

約数ペア:

[(1, 26991495), (3, 8997165), (5, 5398299), (9, 2999055), (15, 1799433), (17, 1587735), (19, 1420605), (27, 999685), (45, 599811), (51, 529245), (57, 473535), (85, 317547), (95, 284121), (135, 199937), (153, 176415), (171, 157845), (255, 105849), (285, 94707), (323, 83565), (459, 58805), (513, 52615), (619, 43605), (765, 35283), (855, 31569), (969, 27855), (1615, 16713), (1857, 14535), (2295, 11761), (2565, 10523), (2907, 9285), (3095, 8721), (4845, 5571)]