28676385

素因数分解:

$3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{967}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 49832640

約数和(自身を除く): 21156255

約数列:

[1, 3, 5, 9, 15, 45, 659, 967, 1977, 2901, 3295, 4835, 5931, 8703, 9885, 14505, 29655, 43515, 637253, 1911759, 3186265, 5735277, 9558795, 28676385]

約数ペア:

[(1, 28676385), (3, 9558795), (5, 5735277), (9, 3186265), (15, 1911759), (45, 637253), (659, 43515), (967, 29655), (1977, 14505), (2901, 9885), (3295, 8703), (4835, 5931)]