242162271

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{689921}}^1$

素因数の和:689943

約数の個数: 16

約数和(自身を含む): 386356320

約数和(自身を除く): 144194049

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 689921, 2069763, 6209289, 8968973, 18627867, 26906919, 80720757, 242162271]

約数ペア:

[(1, 242162271), (3, 80720757), (9, 26906919), (13, 18627867), (27, 8968973), (39, 6209289), (117, 2069763), (351, 689921)]