221374257

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1301}}^1\times {\mathrm{4363}}^1$

素因数の和:5680

約数の個数: 16

約数和(自身を含む): 318187968

約数和(自身を除く): 96813711

約数列:

[1, 3, 13, 39, 1301, 3903, 4363, 13089, 16913, 50739, 56719, 170157, 5676263, 17028789, 73791419, 221374257]

約数ペア:

[(1, 221374257), (3, 73791419), (13, 17028789), (39, 5676263), (1301, 170157), (3903, 56719), (4363, 50739), (13089, 16913)]