666056979

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1439}}^1$

素因数の和:1565

約数の個数: 64

約数和(自身を含む): 1179648000

約数和(自身を除く): 513591021

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 79, 93, 189, 217, 237, 279, 553, 651, 711, 837, 1439, 1659, 1953, 2133, 2449, 4317, 4977, 5859, 7347, 10073, 12951, 14931, 17143, 22041, 30219, 38853, 44609, 51429, 66123, 90657, 113681, 133827, 154287, 271971, 312263, 341043, 401481, 462861, 795767, 936789, 1023129, 1204443, 2387301, 2810367, 3069387, 3524111, 7161903, 8431101, 10572333, 21485709, 24668777, 31716999, 74006331, 95150997, 222018993, 666056979]

約数ペア:

[(1, 666056979), (3, 222018993), (7, 95150997), (9, 74006331), (21, 31716999), (27, 24668777), (31, 21485709), (63, 10572333), (79, 8431101), (93, 7161903), (189, 3524111), (217, 3069387), (237, 2810367), (279, 2387301), (553, 1204443), (651, 1023129), (711, 936789), (837, 795767), (1439, 462861), (1659, 401481), (1953, 341043), (2133, 312263), (2449, 271971), (4317, 154287), (4977, 133827), (5859, 113681), (7347, 90657), (10073, 66123), (12951, 51429), (14931, 44609), (17143, 38853), (22041, 30219)]