209788911

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{983}}^1\times {\mathrm{1031}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 316832256

約数和(自身を除く): 107043345

約数列:

[1, 3, 9, 23, 69, 207, 983, 1031, 2949, 3093, 8847, 9279, 22609, 23713, 67827, 71139, 203481, 213417, 1013473, 3040419, 9121257, 23309879, 69929637, 209788911]

約数ペア:

[(1, 209788911), (3, 69929637), (9, 23309879), (23, 9121257), (69, 3040419), (207, 1013473), (983, 213417), (1031, 203481), (2949, 71139), (3093, 67827), (8847, 23713), (9279, 22609)]