28656981

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1831}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 43440384

約数和(自身を除く): 14783403

約数列:

[1, 3, 9, 37, 47, 111, 141, 333, 423, 1739, 1831, 5217, 5493, 15651, 16479, 67747, 86057, 203241, 258171, 609723, 774513, 3184109, 9552327, 28656981]

約数ペア:

[(1, 28656981), (3, 9552327), (9, 3184109), (37, 774513), (47, 609723), (111, 258171), (141, 203241), (333, 86057), (423, 67747), (1739, 16479), (1831, 15651), (5217, 5493)]