28909335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21179}}^1$

素因数の和:21207

約数の個数: 32

約数和(自身を含む): 56931840

約数和(自身を除く): 28022505

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 21179, 63537, 105895, 148253, 275327, 317685, 444759, 741265, 825981, 1376635, 1927289, 2223795, 4129905, 5781867, 9636445, 28909335]

約数ペア:

[(1, 28909335), (3, 9636445), (5, 5781867), (7, 4129905), (13, 2223795), (15, 1927289), (21, 1376635), (35, 825981), (39, 741265), (65, 444759), (91, 317685), (105, 275327), (195, 148253), (273, 105895), (455, 63537), (1365, 21179)]