28269495

素因数分解:

$3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{977}}^1$

素因数の和:1631

約数の個数: 24

約数和(自身を含む): 49126896

約数和(自身を除く): 20857401

約数列:

[1, 3, 5, 9, 15, 45, 643, 977, 1929, 2931, 3215, 4885, 5787, 8793, 9645, 14655, 28935, 43965, 628211, 1884633, 3141055, 5653899, 9423165, 28269495]

約数ペア:

[(1, 28269495), (3, 9423165), (5, 5653899), (9, 3141055), (15, 1884633), (45, 628211), (643, 43965), (977, 28935), (1929, 14655), (2931, 9645), (3215, 8793), (4885, 5787)]