615256317

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{64921}}^1$

素因数の和:64952

約数の個数: 28

約数和(自身を含む): 993436444

約数和(自身を除く): 378180127

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 3159, 9477, 64921, 194763, 584289, 843973, 1752867, 2531919, 5258601, 7595757, 15775803, 22787271, 47327409, 68361813, 205085439, 615256317]

約数ペア:

[(1, 615256317), (3, 205085439), (9, 68361813), (13, 47327409), (27, 22787271), (39, 15775803), (81, 7595757), (117, 5258601), (243, 2531919), (351, 1752867), (729, 843973), (1053, 584289), (3159, 194763), (9477, 64921)]