393417171

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{49171}}^1$

素因数の和:49311

約数の個数: 24

約数和(自身を含む): 654577664

約数和(自身を除く): 261160493

約数列:

[1, 3, 7, 9, 21, 63, 127, 381, 889, 1143, 2667, 8001, 49171, 147513, 344197, 442539, 1032591, 3097773, 6244717, 18734151, 43713019, 56202453, 131139057, 393417171]

約数ペア:

[(1, 393417171), (3, 131139057), (7, 56202453), (9, 43713019), (21, 18734151), (63, 6244717), (127, 3097773), (381, 1032591), (889, 442539), (1143, 344197), (2667, 147513), (8001, 49171)]