668833209

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{44741}}^1$

素因数の和:44909

約数の個数: 24

約数和(自身を含む): 1060922304

約数和(自身を除く): 392089095

約数列:

[1, 3, 9, 11, 33, 99, 151, 453, 1359, 1661, 4983, 14949, 44741, 134223, 402669, 492151, 1476453, 4429359, 6755891, 20267673, 60803019, 74314801, 222944403, 668833209]

約数ペア:

[(1, 668833209), (3, 222944403), (9, 74314801), (11, 60803019), (33, 20267673), (99, 6755891), (151, 4429359), (453, 1476453), (1359, 492151), (1661, 402669), (4983, 134223), (14949, 44741)]