249305121

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{78919}}^1$

素因数の和:78947

約数の個数: 24

約数和(自身を含む): 402176320

約数和(自身を除く): 152871199

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 78919, 236757, 710271, 1025947, 2130813, 3077841, 6392439, 9233523, 19177317, 27700569, 83101707, 249305121]

約数ペア:

[(1, 249305121), (3, 83101707), (9, 27700569), (13, 19177317), (27, 9233523), (39, 6392439), (81, 3077841), (117, 2130813), (243, 1025947), (351, 710271), (1053, 236757), (3159, 78919)]