40647867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1727

約数の個数: 32

約数和(自身を含む): 63508032

約数和(自身を除く): 22860165

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1443, 1657, 1887, 4971, 8177, 21541, 24531, 28169, 61309, 64623, 84507, 183927, 366197, 797017, 1042253, 1098591, 2391051, 3126759, 13549289, 40647867]

約数ペア:

[(1, 40647867), (3, 13549289), (13, 3126759), (17, 2391051), (37, 1098591), (39, 1042253), (51, 797017), (111, 366197), (221, 183927), (481, 84507), (629, 64623), (663, 61309), (1443, 28169), (1657, 24531), (1887, 21541), (4971, 8177)]