205745985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{4409}}^1$

素因数の和:4498

約数の個数: 48

約数和(自身を含む): 383881680

約数和(自身を除く): 178135695

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 61, 85, 153, 183, 255, 305, 549, 765, 915, 1037, 2745, 3111, 4409, 5185, 9333, 13227, 15555, 22045, 39681, 46665, 66135, 74953, 198405, 224859, 268949, 374765, 674577, 806847, 1124295, 1344745, 2420541, 3372885, 4034235, 4572133, 12102705, 13716399, 22860665, 41149197, 68581995, 205745985]

約数ペア:

[(1, 205745985), (3, 68581995), (5, 41149197), (9, 22860665), (15, 13716399), (17, 12102705), (45, 4572133), (51, 4034235), (61, 3372885), (85, 2420541), (153, 1344745), (183, 1124295), (255, 806847), (305, 674577), (549, 374765), (765, 268949), (915, 224859), (1037, 198405), (2745, 74953), (3111, 66135), (4409, 46665), (5185, 39681), (9333, 22045), (13227, 15555)]