81534978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5261}}^1$

素因数の和:5320

約数の個数: 64

約数和(自身を含む): 212163840

約数和(自身を除く): 130628862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 82, 123, 126, 189, 246, 287, 369, 378, 574, 738, 861, 1107, 1722, 2214, 2583, 5166, 5261, 7749, 10522, 15498, 15783, 31566, 36827, 47349, 73654, 94698, 110481, 142047, 215701, 220962, 284094, 331443, 431402, 647103, 662886, 994329, 1294206, 1509907, 1941309, 1988658, 3019814, 3882618, 4529721, 5823927, 9059442, 11647854, 13589163, 27178326, 40767489, 81534978]

約数ペア:

[(1, 81534978), (2, 40767489), (3, 27178326), (6, 13589163), (7, 11647854), (9, 9059442), (14, 5823927), (18, 4529721), (21, 3882618), (27, 3019814), (41, 1988658), (42, 1941309), (54, 1509907), (63, 1294206), (82, 994329), (123, 662886), (126, 647103), (189, 431402), (246, 331443), (287, 284094), (369, 220962), (378, 215701), (574, 142047), (738, 110481), (861, 94698), (1107, 73654), (1722, 47349), (2214, 36827), (2583, 31566), (5166, 15783), (5261, 15498), (7749, 10522)]