12911211

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 8239509

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 391, 459, 621, 1173, 1223, 3519, 3669, 10557, 11007, 20791, 28129, 33021, 62373, 84387, 187119, 253161, 478193, 561357, 759483, 1434579, 4303737, 12911211]

約数ペア:

[(1, 12911211), (3, 4303737), (9, 1434579), (17, 759483), (23, 561357), (27, 478193), (51, 253161), (69, 187119), (153, 84387), (207, 62373), (391, 33021), (459, 28129), (621, 20791), (1173, 11007), (1223, 10557), (3519, 3669)]