1687441977

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1602509}}^1$

素因数の和:1602534

約数の個数: 20

約数和(自身を含む): 2714651940

約数和(自身を除く): 1027209963

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1602509, 4807527, 14422581, 20832617, 43267743, 62497851, 129803229, 187493553, 562480659, 1687441977]

約数ペア:

[(1, 1687441977), (3, 562480659), (9, 187493553), (13, 129803229), (27, 62497851), (39, 43267743), (81, 20832617), (117, 14422581), (351, 4807527), (1053, 1602509)]