81482037

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 143829504

約数和(自身を除く): 62347467

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 97, 119, 181, 221, 273, 291, 357, 543, 663, 679, 1261, 1267, 1547, 1649, 2037, 2353, 3077, 3783, 3801, 4641, 4947, 7059, 8827, 9231, 11543, 16471, 17557, 21437, 21539, 26481, 34629, 40001, 49413, 52671, 64311, 64617, 120003, 122899, 150059, 228241, 280007, 298469, 368697, 450177, 684723, 840021, 895407, 1597687, 2089283, 3880097, 4793061, 6267849, 11640291, 27160679, 81482037]

約数ペア:

[(1, 81482037), (3, 27160679), (7, 11640291), (13, 6267849), (17, 4793061), (21, 3880097), (39, 2089283), (51, 1597687), (91, 895407), (97, 840021), (119, 684723), (181, 450177), (221, 368697), (273, 298469), (291, 280007), (357, 228241), (543, 150059), (663, 122899), (679, 120003), (1261, 64617), (1267, 64311), (1547, 52671), (1649, 49413), (2037, 40001), (2353, 34629), (3077, 26481), (3783, 21539), (3801, 21437), (4641, 17557), (4947, 16471), (7059, 11543), (8827, 9231)]