16805367

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 64

約数和(自身を含む): 29030400

約数和(自身を除く): 12225033

約数列:

[1, 3, 9, 17, 19, 27, 41, 47, 51, 57, 123, 141, 153, 171, 323, 369, 423, 459, 513, 697, 779, 799, 893, 969, 1107, 1269, 1927, 2091, 2337, 2397, 2679, 2907, 5781, 6273, 7011, 7191, 8037, 8721, 13243, 15181, 17343, 18819, 21033, 21573, 24111, 32759, 36613, 39729, 45543, 52029, 98277, 109839, 119187, 136629, 294831, 329517, 357561, 409887, 622421, 884493, 988551, 1867263, 5601789, 16805367]

約数ペア:

[(1, 16805367), (3, 5601789), (9, 1867263), (17, 988551), (19, 884493), (27, 622421), (41, 409887), (47, 357561), (51, 329517), (57, 294831), (123, 136629), (141, 119187), (153, 109839), (171, 98277), (323, 52029), (369, 45543), (423, 39729), (459, 36613), (513, 32759), (697, 24111), (779, 21573), (799, 21033), (893, 18819), (969, 17343), (1107, 15181), (1269, 13243), (1927, 8721), (2091, 8037), (2337, 7191), (2397, 7011), (2679, 6273), (2907, 5781)]