202189995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{641873}}^1$

素因数の和:641891

約数の個数: 24

約数和(自身を含む): 400529376

約数和(自身を除く): 198339381

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 641873, 1925619, 3209365, 4493111, 5776857, 9628095, 13479333, 22465555, 28884285, 40437999, 67396665, 202189995]

約数ペア:

[(1, 202189995), (3, 67396665), (5, 40437999), (7, 28884285), (9, 22465555), (15, 13479333), (21, 9628095), (35, 5776857), (45, 4493111), (63, 3209365), (105, 1925619), (315, 641873)]