127597407

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 205824000

約数和(自身を除く): 78226593

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 597, 1393, 1607, 3781, 4179, 4821, 11249, 11343, 26467, 30533, 33747, 79401, 91599, 213731, 319793, 641193, 959379, 2238551, 6076067, 6715653, 18228201, 42532469, 127597407]

約数ペア:

[(1, 127597407), (3, 42532469), (7, 18228201), (19, 6715653), (21, 6076067), (57, 2238551), (133, 959379), (199, 641193), (399, 319793), (597, 213731), (1393, 91599), (1607, 79401), (3781, 33747), (4179, 30533), (4821, 26467), (11249, 11343)]