81315252

素因数分解:

$2^2\times 3^4\times {\mathrm{113}}^1\times {\mathrm{2221}}^1$

素因数の和:2350

約数の個数: 60

約数和(自身を含む): 214551876

約数和(自身を除く): 133236624

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 113, 162, 226, 324, 339, 452, 678, 1017, 1356, 2034, 2221, 3051, 4068, 4442, 6102, 6663, 8884, 9153, 12204, 13326, 18306, 19989, 26652, 36612, 39978, 59967, 79956, 119934, 179901, 239868, 250973, 359802, 501946, 719604, 752919, 1003892, 1505838, 2258757, 3011676, 4517514, 6776271, 9035028, 13552542, 20328813, 27105084, 40657626, 81315252]

約数ペア:

[(1, 81315252), (2, 40657626), (3, 27105084), (4, 20328813), (6, 13552542), (9, 9035028), (12, 6776271), (18, 4517514), (27, 3011676), (36, 2258757), (54, 1505838), (81, 1003892), (108, 752919), (113, 719604), (162, 501946), (226, 359802), (324, 250973), (339, 239868), (452, 179901), (678, 119934), (1017, 79956), (1356, 59967), (2034, 39978), (2221, 36612), (3051, 26652), (4068, 19989), (4442, 18306), (6102, 13326), (6663, 12204), (8884, 9153)]