72881289

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{23071}}^1$

素因数の和:23099

約数の個数: 24

約数和(自身を含む): 117574912

約数和(自身を除く): 44693623

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 23071, 69213, 207639, 299923, 622917, 899769, 1868751, 2699307, 5606253, 8097921, 24293763, 72881289]

約数ペア:

[(1, 72881289), (3, 24293763), (9, 8097921), (13, 5606253), (27, 2699307), (39, 1868751), (81, 899769), (117, 622917), (243, 299923), (351, 207639), (1053, 69213), (3159, 23071)]