210051891

素因数分解:

$3^2\times 7^1\times {\mathrm{1307}}^1\times {\mathrm{2551}}^1$

素因数の和:3871

約数の個数: 24

約数和(自身を含む): 347153664

約数和(自身を除く): 137101773

約数列:

[1, 3, 7, 9, 21, 63, 1307, 2551, 3921, 7653, 9149, 11763, 17857, 22959, 27447, 53571, 82341, 160713, 3334157, 10002471, 23339099, 30007413, 70017297, 210051891]

約数ペア:

[(1, 210051891), (3, 70017297), (7, 30007413), (9, 23339099), (21, 10002471), (63, 3334157), (1307, 160713), (2551, 82341), (3921, 53571), (7653, 27447), (9149, 22959), (11763, 17857)]