1291329

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{283}}^1$

素因数の和:318

約数の個数: 24

約数和(自身を含む): 2078880

約数和(自身を除く): 787551

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 283, 351, 507, 849, 1521, 2547, 3679, 4563, 7641, 11037, 33111, 47827, 99333, 143481, 430443, 1291329]

約数ペア:

[(1, 1291329), (3, 430443), (9, 143481), (13, 99333), (27, 47827), (39, 33111), (117, 11037), (169, 7641), (283, 4563), (351, 3679), (507, 2547), (849, 1521)]