247130247

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{22079}}^1$

素因数の和:22143

約数の個数: 32

約数和(自身を含む): 415457280

約数和(自身を除く): 168327033

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 1599, 3731, 11193, 22079, 66237, 154553, 287027, 463659, 861081, 905239, 2009189, 2715717, 6027567, 6336673, 11768107, 19010019, 35304321, 82376749, 247130247]

約数ペア:

[(1, 247130247), (3, 82376749), (7, 35304321), (13, 19010019), (21, 11768107), (39, 6336673), (41, 6027567), (91, 2715717), (123, 2009189), (273, 905239), (287, 861081), (533, 463659), (861, 287027), (1599, 154553), (3731, 66237), (11193, 22079)]