42781431

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 75018240

約数和(自身を除く): 32236809

約数列:

[1, 3, 7, 11, 21, 33, 43, 59, 73, 77, 129, 177, 219, 231, 301, 413, 473, 511, 649, 803, 903, 1239, 1419, 1533, 1947, 2409, 2537, 3139, 3311, 4307, 4543, 5621, 7611, 9417, 9933, 12921, 13629, 16863, 17759, 21973, 27907, 30149, 34529, 47377, 53277, 65919, 83721, 90447, 103587, 142131, 185201, 195349, 241703, 331639, 555603, 586047, 725109, 994917, 1296407, 2037211, 3889221, 6111633, 14260477, 42781431]

約数ペア:

[(1, 42781431), (3, 14260477), (7, 6111633), (11, 3889221), (21, 2037211), (33, 1296407), (43, 994917), (59, 725109), (73, 586047), (77, 555603), (129, 331639), (177, 241703), (219, 195349), (231, 185201), (301, 142131), (413, 103587), (473, 90447), (511, 83721), (649, 65919), (803, 53277), (903, 47377), (1239, 34529), (1419, 30149), (1533, 27907), (1947, 21973), (2409, 17759), (2537, 16863), (3139, 13629), (3311, 12921), (4307, 9933), (4543, 9417), (5621, 7611)]