2019936471

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 3215222784

約数和(自身を除く): 1195286313

約数列:

[1, 3, 7, 21, 31, 93, 101, 217, 303, 651, 707, 961, 991, 2121, 2883, 2973, 3131, 6727, 6937, 9393, 20181, 20811, 21917, 30721, 65751, 92163, 97061, 100091, 215047, 291183, 300273, 645141, 679427, 700637, 952351, 2038281, 2101911, 2857053, 3102821, 6666457, 9308463, 19999371, 21719747, 65159241, 96187451, 288562353, 673312157, 2019936471]

約数ペア:

[(1, 2019936471), (3, 673312157), (7, 288562353), (21, 96187451), (31, 65159241), (93, 21719747), (101, 19999371), (217, 9308463), (303, 6666457), (651, 3102821), (707, 2857053), (961, 2101911), (991, 2038281), (2121, 952351), (2883, 700637), (2973, 679427), (3131, 645141), (6727, 300273), (6937, 291183), (9393, 215047), (20181, 100091), (20811, 97061), (21917, 92163), (30721, 65751)]