209211493905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{23057}}^1$

素因数の和:23523

約数の個数: 96

約数和(自身を含む): 398193213600

約数和(自身を除く): 188981719695

約数列:

[1, 3, 5, 9, 15, 17, 29, 45, 51, 85, 87, 145, 153, 255, 261, 409, 435, 493, 765, 1227, 1305, 1479, 2045, 2465, 3681, 4437, 6135, 6953, 7395, 11861, 18405, 20859, 22185, 23057, 34765, 35583, 59305, 62577, 69171, 104295, 106749, 115285, 177915, 201637, 207513, 312885, 345855, 391969, 533745, 604911, 668653, 1008185, 1037565, 1175907, 1814733, 1959845, 2005959, 3024555, 3343265, 3527721, 5879535, 6017877, 9073665, 9430313, 10029795, 11367101, 17638605, 28290939, 30089385, 34101303, 47151565, 56835505, 84872817, 102303909, 141454695, 160315321, 170506515, 273479077, 424364085, 480945963, 511519545, 801576605, 820437231, 1367395385, 1442837889, 2404729815, 2461311693, 4102186155, 4649144309, 7214189445, 12306558465, 13947432927, 23245721545, 41842298781, 69737164635, 209211493905]

約数ペア:

[(1, 209211493905), (3, 69737164635), (5, 41842298781), (9, 23245721545), (15, 13947432927), (17, 12306558465), (29, 7214189445), (45, 4649144309), (51, 4102186155), (85, 2461311693), (87, 2404729815), (145, 1442837889), (153, 1367395385), (255, 820437231), (261, 801576605), (409, 511519545), (435, 480945963), (493, 424364085), (765, 273479077), (1227, 170506515), (1305, 160315321), (1479, 141454695), (2045, 102303909), (2465, 84872817), (3681, 56835505), (4437, 47151565), (6135, 34101303), (6953, 30089385), (7395, 28290939), (11861, 17638605), (18405, 11367101), (20859, 10029795), (22185, 9430313), (23057, 9073665), (34765, 6017877), (35583, 5879535), (59305, 3527721), (62577, 3343265), (69171, 3024555), (104295, 2005959), (106749, 1959845), (115285, 1814733), (177915, 1175907), (201637, 1037565), (207513, 1008185), (312885, 668653), (345855, 604911), (391969, 533745)]