9780407

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3467}}^1$

素因数の和:3518

約数の個数: 16

約数和(自身を含む): 12429312

約数和(自身を除く): 2648905

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 3467, 24269, 45071, 107477, 315497, 752339, 1397201, 9780407]

約数ペア:

[(1, 9780407), (7, 1397201), (13, 752339), (31, 315497), (91, 107477), (217, 45071), (403, 24269), (2821, 3467)]