28969647

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2087}}^1$

素因数の和:2758

約数の個数: 16

約数和(自身を含む): 44232192

約数和(自身を除く): 15262545

約数列:

[1, 3, 7, 21, 661, 1983, 2087, 4627, 6261, 13881, 14609, 43827, 1379507, 4138521, 9656549, 28969647]

約数ペア:

[(1, 28969647), (3, 9656549), (7, 4138521), (21, 1379507), (661, 43827), (1983, 14609), (2087, 13881), (4627, 6261)]