31573143

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10663}}^1$

素因数の和:10723

約数の個数: 24

約数和(自身を含む): 53234688

約数和(自身を除く): 21661545

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 10663, 31989, 74641, 95967, 223923, 501161, 671769, 1503483, 3508127, 4510449, 10524381, 31573143]

約数ペア:

[(1, 31573143), (3, 10524381), (7, 4510449), (9, 3508127), (21, 1503483), (47, 671769), (63, 501161), (141, 223923), (329, 95967), (423, 74641), (987, 31989), (2961, 10663)]