26859987

素因数分解:

$3^2\times 7^4\times {\mathrm{11}}^1\times {\mathrm{113}}^1$

素因数の和:158

約数の個数: 60

約数和(自身を含む): 49812984

約数和(自身を除く): 22952997

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 113, 147, 231, 339, 343, 441, 539, 693, 791, 1017, 1029, 1243, 1617, 2373, 2401, 3087, 3729, 3773, 4851, 5537, 7119, 7203, 8701, 11187, 11319, 16611, 21609, 26103, 26411, 33957, 38759, 49833, 60907, 78309, 79233, 116277, 182721, 237699, 271313, 348831, 426349, 548163, 813939, 1279047, 2441817, 2984443, 3837141, 8953329, 26859987]

約数ペア:

[(1, 26859987), (3, 8953329), (7, 3837141), (9, 2984443), (11, 2441817), (21, 1279047), (33, 813939), (49, 548163), (63, 426349), (77, 348831), (99, 271313), (113, 237699), (147, 182721), (231, 116277), (339, 79233), (343, 78309), (441, 60907), (539, 49833), (693, 38759), (791, 33957), (1017, 26411), (1029, 26103), (1243, 21609), (1617, 16611), (2373, 11319), (2401, 11187), (3087, 8701), (3729, 7203), (3773, 7119), (4851, 5537)]