1855366821

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{3943}}^1$

素因数の和:4071

約数の個数: 72

約数和(自身を含む): 3436864704

約数和(自身を除く): 1581497883

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 97, 99, 147, 231, 291, 441, 539, 679, 693, 873, 1067, 1617, 2037, 3201, 3943, 4753, 4851, 6111, 7469, 9603, 11829, 14259, 22407, 27601, 35487, 42777, 43373, 52283, 67221, 82803, 130119, 156849, 193207, 248409, 303611, 382471, 390357, 470547, 579621, 910833, 1147413, 1738863, 2125277, 2677297, 2732499, 3442239, 4207181, 6375831, 8031891, 12621543, 18741079, 19127493, 24095673, 29450267, 37864629, 56223237, 88350801, 168669711, 206151869, 265052403, 618455607, 1855366821]

約数ペア:

[(1, 1855366821), (3, 618455607), (7, 265052403), (9, 206151869), (11, 168669711), (21, 88350801), (33, 56223237), (49, 37864629), (63, 29450267), (77, 24095673), (97, 19127493), (99, 18741079), (147, 12621543), (231, 8031891), (291, 6375831), (441, 4207181), (539, 3442239), (679, 2732499), (693, 2677297), (873, 2125277), (1067, 1738863), (1617, 1147413), (2037, 910833), (3201, 579621), (3943, 470547), (4753, 390357), (4851, 382471), (6111, 303611), (7469, 248409), (9603, 193207), (11829, 156849), (14259, 130119), (22407, 82803), (27601, 67221), (35487, 52283), (42777, 43373)]