66509541

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19919}}^1$

素因数の和:19985

約数の個数: 24

約数和(自身を含む): 111870720

約数和(自身を除く): 45361179

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 19919, 59757, 139433, 179271, 418299, 1055707, 1254897, 3167121, 7389949, 9501363, 22169847, 66509541]

約数ペア:

[(1, 66509541), (3, 22169847), (7, 9501363), (9, 7389949), (21, 3167121), (53, 1254897), (63, 1055707), (159, 418299), (371, 179271), (477, 139433), (1113, 59757), (3339, 19919)]