31207407

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2549}}^1$

素因数の和:2623

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 21669393

約数列:

[1, 3, 7, 11, 21, 33, 53, 77, 159, 231, 371, 583, 1113, 1749, 2549, 4081, 7647, 12243, 17843, 28039, 53529, 84117, 135097, 196273, 405291, 588819, 945679, 1486067, 2837037, 4458201, 10402469, 31207407]

約数ペア:

[(1, 31207407), (3, 10402469), (7, 4458201), (11, 2837037), (21, 1486067), (33, 945679), (53, 588819), (77, 405291), (159, 196273), (231, 135097), (371, 84117), (583, 53529), (1113, 28039), (1749, 17843), (2549, 12243), (4081, 7647)]