81671541

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 127008768

約数和(自身を除く): 45337227

約数列:

[1, 3, 7, 21, 113, 127, 271, 339, 381, 791, 813, 889, 1897, 2373, 2667, 5691, 14351, 30623, 34417, 43053, 91869, 100457, 103251, 214361, 240919, 301371, 643083, 722757, 3889121, 11667363, 27223847, 81671541]

約数ペア:

[(1, 81671541), (3, 27223847), (7, 11667363), (21, 3889121), (113, 722757), (127, 643083), (271, 301371), (339, 240919), (381, 214361), (791, 103251), (813, 100457), (889, 91869), (1897, 43053), (2373, 34417), (2667, 30623), (5691, 14351)]