131641215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3637}}^1$

素因数の和:3791

約数の個数: 32

約数和(自身を含む): 223518720

約数和(自身を除く): 91877505

約数列:

[1, 3, 5, 15, 19, 57, 95, 127, 285, 381, 635, 1905, 2413, 3637, 7239, 10911, 12065, 18185, 36195, 54555, 69103, 207309, 345515, 461899, 1036545, 1385697, 2309495, 6928485, 8776081, 26328243, 43880405, 131641215]

約数ペア:

[(1, 131641215), (3, 43880405), (5, 26328243), (15, 8776081), (19, 6928485), (57, 2309495), (95, 1385697), (127, 1036545), (285, 461899), (381, 345515), (635, 207309), (1905, 69103), (2413, 54555), (3637, 36195), (7239, 18185), (10911, 12065)]