81901647

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1447}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 124991360

約数和(自身を除く): 43089713

約数列:

[1, 3, 9, 19, 57, 171, 331, 993, 1447, 2979, 4341, 6289, 13023, 18867, 27493, 56601, 82479, 247437, 478957, 1436871, 4310613, 9100183, 27300549, 81901647]

約数ペア:

[(1, 81901647), (3, 27300549), (9, 9100183), (19, 4310613), (57, 1436871), (171, 478957), (331, 247437), (993, 82479), (1447, 56601), (2979, 27493), (4341, 18867), (6289, 13023)]