207826785

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{857}}^1$

素因数の和:1202

約数の個数: 48

約数和(自身を含む): 383072976

約数和(自身を除く): 175246191

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 317, 765, 857, 951, 1585, 2571, 2853, 4285, 4755, 5389, 7713, 12855, 14265, 14569, 16167, 26945, 38565, 43707, 48501, 72845, 80835, 131121, 218535, 242505, 271669, 655605, 815007, 1358345, 2445021, 4075035, 4618373, 12225105, 13855119, 23091865, 41565357, 69275595, 207826785]

約数ペア:

[(1, 207826785), (3, 69275595), (5, 41565357), (9, 23091865), (15, 13855119), (17, 12225105), (45, 4618373), (51, 4075035), (85, 2445021), (153, 1358345), (255, 815007), (317, 655605), (765, 271669), (857, 242505), (951, 218535), (1585, 131121), (2571, 80835), (2853, 72845), (4285, 48501), (4755, 43707), (5389, 38565), (7713, 26945), (12855, 16167), (14265, 14569)]