81518346

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 227888640

約数和(自身を除く): 146370294

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 53, 54, 63, 78, 91, 106, 117, 126, 159, 182, 189, 234, 273, 313, 318, 351, 371, 378, 477, 546, 626, 689, 702, 742, 819, 939, 954, 1113, 1378, 1431, 1638, 1878, 2067, 2191, 2226, 2457, 2817, 2862, 3339, 4069, 4134, 4382, 4823, 4914, 5634, 6201, 6573, 6678, 8138, 8451, 9646, 10017, 12207, 12402, 13146, 14469, 16589, 16902, 18603, 19719, 20034, 24414, 28483, 28938, 33178, 36621, 37206, 39438, 43407, 49767, 56966, 59157, 73242, 85449, 86814, 99534, 109863, 116123, 118314, 130221, 149301, 170898, 215657, 219726, 232246, 256347, 260442, 298602, 348369, 431314, 447903, 512694, 646971, 696738, 769041, 895806, 1045107, 1293942, 1509599, 1538082, 1940913, 2090214, 3019198, 3135321, 3881826, 4528797, 5822739, 6270642, 9057594, 11645478, 13586391, 27172782, 40759173, 81518346]

約数ペア:

[(1, 81518346), (2, 40759173), (3, 27172782), (6, 13586391), (7, 11645478), (9, 9057594), (13, 6270642), (14, 5822739), (18, 4528797), (21, 3881826), (26, 3135321), (27, 3019198), (39, 2090214), (42, 1940913), (53, 1538082), (54, 1509599), (63, 1293942), (78, 1045107), (91, 895806), (106, 769041), (117, 696738), (126, 646971), (159, 512694), (182, 447903), (189, 431314), (234, 348369), (273, 298602), (313, 260442), (318, 256347), (351, 232246), (371, 219726), (378, 215657), (477, 170898), (546, 149301), (626, 130221), (689, 118314), (702, 116123), (742, 109863), (819, 99534), (939, 86814), (954, 85449), (1113, 73242), (1378, 59157), (1431, 56966), (1638, 49767), (1878, 43407), (2067, 39438), (2191, 37206), (2226, 36621), (2457, 33178), (2817, 28938), (2862, 28483), (3339, 24414), (4069, 20034), (4134, 19719), (4382, 18603), (4823, 16902), (4914, 16589), (5634, 14469), (6201, 13146), (6573, 12402), (6678, 12207), (8138, 10017), (8451, 9646)]