201401865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639371}}^1$

素因数の和:639389

約数の個数: 24

約数和(自身を含む): 398968128

約数和(自身を除く): 197566263

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639371, 1918113, 3196855, 4475597, 5754339, 9590565, 13426791, 22377985, 28771695, 40280373, 67133955, 201401865]

約数ペア:

[(1, 201401865), (3, 67133955), (5, 40280373), (7, 28771695), (9, 22377985), (15, 13426791), (21, 9590565), (35, 5754339), (45, 4475597), (63, 3196855), (105, 1918113), (315, 639371)]