2155329

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 3659040

約数和(自身を除く): 1503711

約数列:

[1, 3, 9, 11, 27, 33, 41, 59, 81, 99, 123, 177, 297, 369, 451, 531, 649, 891, 1107, 1353, 1593, 1947, 2419, 3321, 4059, 4779, 5841, 7257, 12177, 17523, 21771, 26609, 36531, 52569, 65313, 79827, 195939, 239481, 718443, 2155329]

約数ペア:

[(1, 2155329), (3, 718443), (9, 239481), (11, 195939), (27, 79827), (33, 65313), (41, 52569), (59, 36531), (81, 26609), (99, 21771), (123, 17523), (177, 12177), (297, 7257), (369, 5841), (451, 4779), (531, 4059), (649, 3321), (891, 2419), (1107, 1947), (1353, 1593)]