2215317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 3257408

約数和(自身を除く): 1042091

約数列:

[1, 3, 13, 39, 43, 129, 559, 1321, 1677, 3963, 17173, 51519, 56803, 170409, 738439, 2215317]

約数ペア:

[(1, 2215317), (3, 738439), (13, 170409), (39, 56803), (43, 51519), (129, 17173), (559, 3963), (1321, 1677)]