1247996841

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4571417}}^1$

素因数の和:4571440

約数の個数: 16

約数和(自身を含む): 2047995264

約数和(自身を除く): 799998423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 4571417, 13714251, 31999919, 59428421, 95999757, 178285263, 415998947, 1247996841]

約数ペア:

[(1, 1247996841), (3, 415998947), (7, 178285263), (13, 95999757), (21, 59428421), (39, 31999919), (91, 13714251), (273, 4571417)]