1278121707

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{1129}}^1\times {\mathrm{1823}}^1$

素因数の和:2984

約数の個数: 32

約数和(自身を含む): 1978675200

約数和(自身を除く): 700553493

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 1129, 1823, 3387, 5469, 10161, 16407, 25967, 30483, 41929, 49221, 77901, 125787, 233703, 377361, 701109, 1132083, 2058167, 6174501, 18523503, 47337841, 55570509, 142013523, 426040569, 1278121707]

約数ペア:

[(1, 1278121707), (3, 426040569), (9, 142013523), (23, 55570509), (27, 47337841), (69, 18523503), (207, 6174501), (621, 2058167), (1129, 1132083), (1823, 701109), (3387, 377361), (5469, 233703), (10161, 125787), (16407, 77901), (25967, 49221), (30483, 41929)]