81541026

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:237

約数の個数: 128

約数和(自身を含む): 220631040

約数和(自身を除く): 139090014

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 83, 113, 126, 138, 161, 166, 189, 207, 226, 249, 322, 339, 378, 414, 483, 498, 581, 621, 678, 747, 791, 966, 1017, 1162, 1242, 1449, 1494, 1582, 1743, 1909, 2034, 2241, 2373, 2599, 2898, 3051, 3486, 3818, 4347, 4482, 4746, 5198, 5229, 5727, 6102, 7119, 7797, 8694, 9379, 10458, 11454, 13363, 14238, 15594, 15687, 17181, 18193, 18758, 21357, 23391, 26726, 28137, 31374, 34362, 36386, 40089, 42714, 46782, 51543, 54579, 56274, 65653, 70173, 80178, 84411, 103086, 109158, 120267, 131306, 140346, 163737, 168822, 196959, 215717, 240534, 253233, 327474, 360801, 393918, 431434, 491211, 506466, 590877, 647151, 721602, 982422, 1181754, 1294302, 1510019, 1772631, 1941453, 3020038, 3545262, 3882906, 4530057, 5824359, 9060114, 11648718, 13590171, 27180342, 40770513, 81541026]

約数ペア:

[(1, 81541026), (2, 40770513), (3, 27180342), (6, 13590171), (7, 11648718), (9, 9060114), (14, 5824359), (18, 4530057), (21, 3882906), (23, 3545262), (27, 3020038), (42, 1941453), (46, 1772631), (54, 1510019), (63, 1294302), (69, 1181754), (83, 982422), (113, 721602), (126, 647151), (138, 590877), (161, 506466), (166, 491211), (189, 431434), (207, 393918), (226, 360801), (249, 327474), (322, 253233), (339, 240534), (378, 215717), (414, 196959), (483, 168822), (498, 163737), (581, 140346), (621, 131306), (678, 120267), (747, 109158), (791, 103086), (966, 84411), (1017, 80178), (1162, 70173), (1242, 65653), (1449, 56274), (1494, 54579), (1582, 51543), (1743, 46782), (1909, 42714), (2034, 40089), (2241, 36386), (2373, 34362), (2599, 31374), (2898, 28137), (3051, 26726), (3486, 23391), (3818, 21357), (4347, 18758), (4482, 18193), (4746, 17181), (5198, 15687), (5229, 15594), (5727, 14238), (6102, 13363), (7119, 11454), (7797, 10458), (8694, 9379)]