81920286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1801}}^1$

素因数の和:1854

約数の個数: 72

約数和(自身を含む): 214207344

約数和(自身を除く): 132287058

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 361, 399, 722, 798, 1083, 1197, 1801, 2166, 2394, 2527, 3249, 3602, 5054, 5403, 6498, 7581, 10806, 12607, 15162, 16209, 22743, 25214, 32418, 34219, 37821, 45486, 68438, 75642, 102657, 113463, 205314, 226926, 239533, 307971, 479066, 615942, 650161, 718599, 1300322, 1437198, 1950483, 2155797, 3900966, 4311594, 4551127, 5851449, 9102254, 11702898, 13653381, 27306762, 40960143, 81920286]

約数ペア:

[(1, 81920286), (2, 40960143), (3, 27306762), (6, 13653381), (7, 11702898), (9, 9102254), (14, 5851449), (18, 4551127), (19, 4311594), (21, 3900966), (38, 2155797), (42, 1950483), (57, 1437198), (63, 1300322), (114, 718599), (126, 650161), (133, 615942), (171, 479066), (266, 307971), (342, 239533), (361, 226926), (399, 205314), (722, 113463), (798, 102657), (1083, 75642), (1197, 68438), (1801, 45486), (2166, 37821), (2394, 34219), (2527, 32418), (3249, 25214), (3602, 22743), (5054, 16209), (5403, 15162), (6498, 12607), (7581, 10806)]