28316385

素因数分解:

$3^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:659

約数の個数: 40

約数和(自身を含む): 51226560

約数和(自身を除く): 22910175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 405, 417, 503, 695, 1251, 1509, 2085, 2515, 3753, 4527, 6255, 7545, 11259, 13581, 18765, 22635, 40743, 56295, 67905, 69917, 203715, 209751, 349585, 629253, 1048755, 1887759, 3146265, 5663277, 9438795, 28316385]

約数ペア:

[(1, 28316385), (3, 9438795), (5, 5663277), (9, 3146265), (15, 1887759), (27, 1048755), (45, 629253), (81, 349585), (135, 209751), (139, 203715), (405, 69917), (417, 67905), (503, 56295), (695, 40743), (1251, 22635), (1509, 18765), (2085, 13581), (2515, 11259), (3753, 7545), (4527, 6255)]