81243756

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{6217}}^1$

素因数の和:6252

約数の個数: 72

約数和(自身を含む): 231558320

約数和(自身を除く): 150314564

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 121, 132, 198, 242, 297, 363, 396, 484, 594, 726, 1089, 1188, 1452, 2178, 3267, 4356, 6217, 6534, 12434, 13068, 18651, 24868, 37302, 55953, 68387, 74604, 111906, 136774, 167859, 205161, 223812, 273548, 335718, 410322, 615483, 671436, 752257, 820644, 1230966, 1504514, 1846449, 2256771, 2461932, 3009028, 3692898, 4513542, 6770313, 7385796, 9027084, 13540626, 20310939, 27081252, 40621878, 81243756]

約数ペア:

[(1, 81243756), (2, 40621878), (3, 27081252), (4, 20310939), (6, 13540626), (9, 9027084), (11, 7385796), (12, 6770313), (18, 4513542), (22, 3692898), (27, 3009028), (33, 2461932), (36, 2256771), (44, 1846449), (54, 1504514), (66, 1230966), (99, 820644), (108, 752257), (121, 671436), (132, 615483), (198, 410322), (242, 335718), (297, 273548), (363, 223812), (396, 205161), (484, 167859), (594, 136774), (726, 111906), (1089, 74604), (1188, 68387), (1452, 55953), (2178, 37302), (3267, 24868), (4356, 18651), (6217, 13068), (6534, 12434)]