202217085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{641959}}^1$

素因数の和:641977

約数の個数: 24

約数和(自身を含む): 400583040

約数和(自身を除く): 198365955

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 641959, 1925877, 3209795, 4493713, 5777631, 9629385, 13481139, 22468565, 28888155, 40443417, 67405695, 202217085]

約数ペア:

[(1, 202217085), (3, 67405695), (5, 40443417), (7, 28888155), (9, 22468565), (15, 13481139), (21, 9629385), (35, 5777631), (45, 4493713), (63, 3209795), (105, 1925877), (315, 641959)]