128274651

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 194365440

約数和(自身を除く): 66090789

約数列:

[1, 3, 9, 27, 73, 151, 219, 431, 453, 657, 1293, 1359, 1971, 3879, 4077, 11023, 11637, 31463, 33069, 65081, 94389, 99207, 195243, 283167, 297621, 585729, 849501, 1757187, 4750913, 14252739, 42758217, 128274651]

約数ペア:

[(1, 128274651), (3, 42758217), (9, 14252739), (27, 4750913), (73, 1757187), (151, 849501), (219, 585729), (431, 297621), (453, 283167), (657, 195243), (1293, 99207), (1359, 94389), (1971, 65081), (3879, 33069), (4077, 31463), (11023, 11637)]