242156889

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{159209}}^1$

素因数の和:159241

約数の個数: 18

約数和(自身を含む): 378760590

約数和(自身を除く): 136603701

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 159209, 477627, 1432881, 2069717, 6209151, 18627453, 26906321, 80718963, 242156889]

約数ペア:

[(1, 242156889), (3, 80718963), (9, 26906321), (13, 18627453), (39, 6209151), (117, 2069717), (169, 1432881), (507, 477627), (1521, 159209)]