81146664

素因数分解:

$2^3\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1907}}^1$

素因数の和:2119

約数の個数: 64

約数和(自身を含む): 226670400

約数和(自身を除く): 145523736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 197, 216, 394, 591, 788, 1182, 1576, 1773, 1907, 2364, 3546, 3814, 4728, 5319, 5721, 7092, 7628, 10638, 11442, 14184, 15256, 17163, 21276, 22884, 34326, 42552, 45768, 51489, 68652, 102978, 137304, 205956, 375679, 411912, 751358, 1127037, 1502716, 2254074, 3005432, 3381111, 4508148, 6762222, 9016296, 10143333, 13524444, 20286666, 27048888, 40573332, 81146664]

約数ペア:

[(1, 81146664), (2, 40573332), (3, 27048888), (4, 20286666), (6, 13524444), (8, 10143333), (9, 9016296), (12, 6762222), (18, 4508148), (24, 3381111), (27, 3005432), (36, 2254074), (54, 1502716), (72, 1127037), (108, 751358), (197, 411912), (216, 375679), (394, 205956), (591, 137304), (788, 102978), (1182, 68652), (1576, 51489), (1773, 45768), (1907, 42552), (2364, 34326), (3546, 22884), (3814, 21276), (4728, 17163), (5319, 15256), (5721, 14184), (7092, 11442), (7628, 10638)]