71906991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{108457}}^1$

素因数の和:108490

約数の個数: 16

約数和(自身を含む): 109325664

約数和(自身を除く): 37418673

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 108457, 325371, 1409941, 1843769, 4229823, 5531307, 23968997, 71906991]

約数ペア:

[(1, 71906991), (3, 23968997), (13, 5531307), (17, 4229823), (39, 1843769), (51, 1409941), (221, 325371), (663, 108457)]