128833173

素因数分解:

$3^4\times 7^1\times {\mathrm{227219}}^1$

素因数の和:227238

約数の個数: 20

約数和(自身を含む): 219948960

約数和(自身を除く): 91115787

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 227219, 681657, 1590533, 2044971, 4771599, 6134913, 14314797, 18404739, 42944391, 128833173]

約数ペア:

[(1, 128833173), (3, 42944391), (7, 18404739), (9, 14314797), (21, 6134913), (27, 4771599), (63, 2044971), (81, 1590533), (189, 681657), (567, 227219)]