397293309

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{56813}}^1$

素因数の和:56866

約数の個数: 32

約数和(自身を含む): 690858240

約数和(自身を除く): 293564931

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 56813, 170439, 397691, 511317, 1193073, 1533951, 2102081, 3579219, 6306243, 10737657, 14714567, 18918729, 44143701, 56756187, 132431103, 397293309]

約数ペア:

[(1, 397293309), (3, 132431103), (7, 56756187), (9, 44143701), (21, 18918729), (27, 14714567), (37, 10737657), (63, 6306243), (111, 3579219), (189, 2102081), (259, 1533951), (333, 1193073), (777, 511317), (999, 397691), (2331, 170439), (6993, 56813)]