40893867

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20939}}^1$

素因数の和:20983

約数の個数: 24

約数和(自身を含む): 69688320

約数和(自身を除く): 28794453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 20939, 62817, 146573, 188451, 439719, 649109, 1319157, 1947327, 4543763, 5841981, 13631289, 40893867]

約数ペア:

[(1, 40893867), (3, 13631289), (7, 5841981), (9, 4543763), (21, 1947327), (31, 1319157), (63, 649109), (93, 439719), (217, 188451), (279, 146573), (651, 62817), (1953, 20939)]