28931715

素因数分解:

$3^3\times 5^1\times {\mathrm{214309}}^1$

素因数の和:214323

約数の個数: 16

約数和(自身を含む): 51434400

約数和(自身を除く): 22502685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 214309, 642927, 1071545, 1928781, 3214635, 5786343, 9643905, 28931715]

約数ペア:

[(1, 28931715), (3, 9643905), (5, 5786343), (9, 3214635), (15, 1928781), (27, 1071545), (45, 642927), (135, 214309)]