31139235

素因数分解:

$3^6\times 5^1\times {\mathrm{8543}}^1$

素因数の和:8566

約数の個数: 28

約数和(自身を含む): 56031552

約数和(自身を除く): 24892317

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 8543, 25629, 42715, 76887, 128145, 230661, 384435, 691983, 1153305, 2075949, 3459915, 6227847, 10379745, 31139235]

約数ペア:

[(1, 31139235), (3, 10379745), (5, 6227847), (9, 3459915), (15, 2075949), (27, 1153305), (45, 691983), (81, 384435), (135, 230661), (243, 128145), (405, 76887), (729, 42715), (1215, 25629), (3645, 8543)]