2987439

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 5074944

約数和(自身を除く): 2087505

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 353, 403, 651, 1059, 1209, 2471, 2821, 4589, 7413, 8463, 10943, 13767, 32123, 32829, 76601, 96369, 142259, 229803, 426777, 995813, 2987439]

約数ペア:

[(1, 2987439), (3, 995813), (7, 426777), (13, 229803), (21, 142259), (31, 96369), (39, 76601), (91, 32829), (93, 32123), (217, 13767), (273, 10943), (353, 8463), (403, 7413), (651, 4589), (1059, 2821), (1209, 2471)]