81472797

素因数分解:

$3^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 140754432

約数和(自身を除く): 59281635

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 227, 243, 567, 633, 681, 1477, 1589, 1701, 1899, 2043, 4431, 4767, 5697, 6129, 13293, 14301, 17091, 18387, 39879, 42903, 47897, 51273, 55161, 119637, 128709, 143691, 335279, 358911, 386127, 431073, 1005837, 1293219, 3017511, 3879657, 9052533, 11638971, 27157599, 81472797]

約数ペア:

[(1, 81472797), (3, 27157599), (7, 11638971), (9, 9052533), (21, 3879657), (27, 3017511), (63, 1293219), (81, 1005837), (189, 431073), (211, 386127), (227, 358911), (243, 335279), (567, 143691), (633, 128709), (681, 119637), (1477, 55161), (1589, 51273), (1701, 47897), (1899, 42903), (2043, 39879), (4431, 18387), (4767, 17091), (5697, 14301), (6129, 13293)]