7408989

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 12893760

約数和(自身を除く): 5484771

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 179, 189, 219, 511, 537, 567, 657, 1253, 1533, 1611, 1971, 3759, 4599, 4833, 5913, 11277, 13067, 13797, 14499, 33831, 39201, 41391, 91469, 101493, 117603, 274407, 352809, 823221, 1058427, 2469663, 7408989]

約数ペア:

[(1, 7408989), (3, 2469663), (7, 1058427), (9, 823221), (21, 352809), (27, 274407), (63, 117603), (73, 101493), (81, 91469), (179, 41391), (189, 39201), (219, 33831), (511, 14499), (537, 13797), (567, 13067), (657, 11277), (1253, 5913), (1533, 4833), (1611, 4599), (1971, 3759)]