81627912

素因数分解:

$2^3\times 3^4\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1344

約数の個数: 80

約数和(自身を含む): 231042240

約数和(自身を除く): 149414328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 103, 108, 162, 206, 216, 309, 324, 412, 618, 648, 824, 927, 1223, 1236, 1854, 2446, 2472, 2781, 3669, 3708, 4892, 5562, 7338, 7416, 8343, 9784, 11007, 11124, 14676, 16686, 22014, 22248, 29352, 33021, 33372, 44028, 66042, 66744, 88056, 99063, 125969, 132084, 198126, 251938, 264168, 377907, 396252, 503876, 755814, 792504, 1007752, 1133721, 1511628, 2267442, 3023256, 3401163, 4534884, 6802326, 9069768, 10203489, 13604652, 20406978, 27209304, 40813956, 81627912]

約数ペア:

[(1, 81627912), (2, 40813956), (3, 27209304), (4, 20406978), (6, 13604652), (8, 10203489), (9, 9069768), (12, 6802326), (18, 4534884), (24, 3401163), (27, 3023256), (36, 2267442), (54, 1511628), (72, 1133721), (81, 1007752), (103, 792504), (108, 755814), (162, 503876), (206, 396252), (216, 377907), (309, 264168), (324, 251938), (412, 198126), (618, 132084), (648, 125969), (824, 99063), (927, 88056), (1223, 66744), (1236, 66042), (1854, 44028), (2446, 33372), (2472, 33021), (2781, 29352), (3669, 22248), (3708, 22014), (4892, 16686), (5562, 14676), (7338, 11124), (7416, 11007), (8343, 9784)]