22978989

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{21101}}^1$

素因数の和:21129

約数の個数: 18

約数和(自身を含む): 36485358

約数和(自身を除く): 13506369

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 21101, 63303, 189909, 232111, 696333, 2088999, 2553221, 7659663, 22978989]

約数ペア:

[(1, 22978989), (3, 7659663), (9, 2553221), (11, 2088999), (33, 696333), (99, 232111), (121, 189909), (363, 63303), (1089, 21101)]