67718721

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{40819}}^1$

素因数の和:40908

約数の個数: 16

約数和(自身を含む): 104499200

約数和(自身を除く): 36780479

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 40819, 122457, 285733, 857199, 3224701, 9674103, 22572907, 67718721]

約数ペア:

[(1, 67718721), (3, 22572907), (7, 9674103), (21, 3224701), (79, 857199), (237, 285733), (553, 122457), (1659, 40819)]