12999591

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6911}}^1$

素因数の和:6947

約数の個数: 24

約数和(自身を含む): 21565440

約数和(自身を除く): 8565849

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 6911, 20733, 62199, 76021, 131309, 228063, 393927, 684189, 1181781, 1444399, 4333197, 12999591]

約数ペア:

[(1, 12999591), (3, 4333197), (9, 1444399), (11, 1181781), (19, 684189), (33, 393927), (57, 228063), (99, 131309), (171, 76021), (209, 62199), (627, 20733), (1881, 6911)]