12657393

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6481}}^1$

素因数の和:6525

約数の個数: 24

約数和(自身を含む): 21572096

約数和(自身を除く): 8914703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 6481, 19443, 45367, 58329, 136101, 200911, 408303, 602733, 1406377, 1808199, 4219131, 12657393]

約数ペア:

[(1, 12657393), (3, 4219131), (7, 1808199), (9, 1406377), (21, 602733), (31, 408303), (63, 200911), (93, 136101), (217, 58329), (279, 45367), (651, 19443), (1953, 6481)]