28709145

素因数分解:

$3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{977}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 49889736

約数和(自身を除く): 21180591

約数列:

[1, 3, 5, 9, 15, 45, 653, 977, 1959, 2931, 3265, 4885, 5877, 8793, 9795, 14655, 29385, 43965, 637981, 1913943, 3189905, 5741829, 9569715, 28709145]

約数ペア:

[(1, 28709145), (3, 9569715), (5, 5741829), (9, 3189905), (15, 1913943), (45, 637981), (653, 43965), (977, 29385), (1959, 14655), (2931, 9795), (3265, 8793), (4885, 5877)]