90225009

素因数分解:

$3^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{701}}^1$

素因数の和:947

約数の個数: 40

約数和(自身を含む): 154934208

約数和(自身を除く): 64709199

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 227, 567, 681, 701, 1589, 2043, 2103, 4767, 4907, 6129, 6309, 14301, 14721, 18387, 18927, 42903, 44163, 56781, 128709, 132489, 159127, 397467, 477381, 1113889, 1432143, 3341667, 4296429, 10025001, 12889287, 30075003, 90225009]

約数ペア:

[(1, 90225009), (3, 30075003), (7, 12889287), (9, 10025001), (21, 4296429), (27, 3341667), (63, 1432143), (81, 1113889), (189, 477381), (227, 397467), (567, 159127), (681, 132489), (701, 128709), (1589, 56781), (2043, 44163), (2103, 42903), (4767, 18927), (4907, 18387), (6129, 14721), (6309, 14301)]