80180247

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1951}}^1$

素因数の和:2083

約数の個数: 32

約数和(自身を含む): 129925120

約数和(自身を除く): 49744873

約数列:

[1, 3, 7, 19, 21, 57, 103, 133, 309, 399, 721, 1951, 1957, 2163, 5853, 5871, 13657, 13699, 37069, 40971, 41097, 111207, 200953, 259483, 602859, 778449, 1406671, 3818107, 4220013, 11454321, 26726749, 80180247]

約数ペア:

[(1, 80180247), (3, 26726749), (7, 11454321), (19, 4220013), (21, 3818107), (57, 1406671), (103, 778449), (133, 602859), (309, 259483), (399, 200953), (721, 111207), (1951, 41097), (1957, 40971), (2163, 37069), (5853, 13699), (5871, 13657)]