20161434447

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{271897}}^1$

素因数の和:272028

約数の個数: 48

約数和(自身を含む): 36647500032

約数和(自身を除く): 16486065585

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 231, 321, 693, 749, 963, 1177, 2247, 3531, 6741, 8239, 10593, 24717, 74151, 271897, 815691, 1903279, 2447073, 2990867, 5709837, 8972601, 17129511, 20936069, 26917803, 29092979, 62808207, 87278937, 188424621, 203650853, 261836811, 320022769, 610952559, 960068307, 1832857677, 2240159383, 2880204921, 6720478149, 20161434447]

約数ペア:

[(1, 20161434447), (3, 6720478149), (7, 2880204921), (9, 2240159383), (11, 1832857677), (21, 960068307), (33, 610952559), (63, 320022769), (77, 261836811), (99, 203650853), (107, 188424621), (231, 87278937), (321, 62808207), (693, 29092979), (749, 26917803), (963, 20936069), (1177, 17129511), (2247, 8972601), (3531, 5709837), (6741, 2990867), (8239, 2447073), (10593, 1903279), (24717, 815691), (74151, 271897)]