202219947

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{77747}}^1$

素因数の和:77787

約数の個数: 18

約数和(自身を含む): 310292268

約数和(自身を除く): 108072321

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 77747, 233241, 699723, 1321699, 3965097, 11895291, 22468883, 67406649, 202219947]

約数ペア:

[(1, 202219947), (3, 67406649), (9, 22468883), (17, 11895291), (51, 3965097), (153, 1321699), (289, 699723), (867, 233241), (2601, 77747)]