81582228

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2767}}^1$

素因数の和:2803

約数の個数: 120

約数和(自身を含む): 262583552

約数和(自身を除く): 181001324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 756, 819, 1053, 1092, 1134, 1404, 1638, 2106, 2268, 2457, 2767, 3276, 4212, 4914, 5534, 7371, 8301, 9828, 11068, 14742, 16602, 19369, 24903, 29484, 33204, 35971, 38738, 49806, 58107, 71942, 74709, 77476, 99612, 107913, 116214, 143884, 149418, 174321, 215826, 224127, 232428, 251797, 298836, 323739, 348642, 431652, 448254, 503594, 522963, 647478, 697284, 755391, 896508, 971217, 1007188, 1045926, 1294956, 1510782, 1568889, 1942434, 2091852, 2266173, 2913651, 3021564, 3137778, 3884868, 4532346, 5827302, 6275556, 6798519, 9064692, 11654604, 13597038, 20395557, 27194076, 40791114, 81582228]

約数ペア:

[(1, 81582228), (2, 40791114), (3, 27194076), (4, 20395557), (6, 13597038), (7, 11654604), (9, 9064692), (12, 6798519), (13, 6275556), (14, 5827302), (18, 4532346), (21, 3884868), (26, 3137778), (27, 3021564), (28, 2913651), (36, 2266173), (39, 2091852), (42, 1942434), (52, 1568889), (54, 1510782), (63, 1294956), (78, 1045926), (81, 1007188), (84, 971217), (91, 896508), (108, 755391), (117, 697284), (126, 647478), (156, 522963), (162, 503594), (182, 448254), (189, 431652), (234, 348642), (252, 323739), (273, 298836), (324, 251797), (351, 232428), (364, 224127), (378, 215826), (468, 174321), (546, 149418), (567, 143884), (702, 116214), (756, 107913), (819, 99612), (1053, 77476), (1092, 74709), (1134, 71942), (1404, 58107), (1638, 49806), (2106, 38738), (2268, 35971), (2457, 33204), (2767, 29484), (3276, 24903), (4212, 19369), (4914, 16602), (5534, 14742), (7371, 11068), (8301, 9828)]