40855209

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{977}}^1$

素因数の和:1296

約数の個数: 16

約数和(自身を含む): 55769472

約数和(自身を除く): 14914263

約数列:

[1, 3, 53, 159, 263, 789, 977, 2931, 13939, 41817, 51781, 155343, 256951, 770853, 13618403, 40855209]

約数ペア:

[(1, 40855209), (3, 13618403), (53, 770853), (159, 256951), (263, 155343), (789, 51781), (977, 41817), (2931, 13939)]