81539157

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6173}}^1$

素因数の和:6237

約数の個数: 32

約数和(自身を含む): 135136512

約数和(自身を除く): 53597355

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1887, 4403, 6173, 13209, 18519, 43211, 104941, 129633, 228401, 314823, 685203, 734587, 1598807, 2203761, 3882817, 4796421, 11648451, 27179719, 81539157]

約数ペア:

[(1, 81539157), (3, 27179719), (7, 11648451), (17, 4796421), (21, 3882817), (37, 2203761), (51, 1598807), (111, 734587), (119, 685203), (259, 314823), (357, 228401), (629, 129633), (777, 104941), (1887, 43211), (4403, 18519), (6173, 13209)]