18089127

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9901}}^1$

素因数の和:9943

約数の個数: 24

約数和(自身を含む): 30894240

約数和(自身を除く): 12805113

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 9901, 29703, 69307, 89109, 207921, 287129, 623763, 861387, 2009903, 2584161, 6029709, 18089127]

約数ペア:

[(1, 18089127), (3, 6029709), (7, 2584161), (9, 2009903), (21, 861387), (29, 623763), (63, 287129), (87, 207921), (203, 89109), (261, 69307), (609, 29703), (1827, 9901)]