9894879

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{809}}^1$

素因数の和:972

約数の個数: 20

約数和(自身を含む): 14897520

約数和(自身を除く): 5002641

約数列:

[1, 3, 9, 27, 81, 151, 453, 809, 1359, 2427, 4077, 7281, 12231, 21843, 65529, 122159, 366477, 1099431, 3298293, 9894879]

約数ペア:

[(1, 9894879), (3, 3298293), (9, 1099431), (27, 366477), (81, 122159), (151, 65529), (453, 21843), (809, 12231), (1359, 7281), (2427, 4077)]