218978067

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8389}}^1$

素因数の和:8523

約数の個数: 32

約数和(自身を含む): 367280640

約数和(自身を除く): 148302573

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 791, 1243, 2373, 3729, 8389, 8701, 25167, 26103, 58723, 92279, 176169, 276837, 645953, 947957, 1937859, 2843871, 6635699, 10427527, 19907097, 31282581, 72992689, 218978067]

約数ペア:

[(1, 218978067), (3, 72992689), (7, 31282581), (11, 19907097), (21, 10427527), (33, 6635699), (77, 2843871), (113, 1937859), (231, 947957), (339, 645953), (791, 276837), (1243, 176169), (2373, 92279), (3729, 58723), (8389, 26103), (8701, 25167)]