11520981

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 17781120

約数和(自身を除く): 6260139

約数列:

[1, 3, 9, 27, 53, 83, 97, 159, 249, 291, 477, 747, 873, 1431, 2241, 2619, 4399, 5141, 8051, 13197, 15423, 24153, 39591, 46269, 72459, 118773, 138807, 217377, 426703, 1280109, 3840327, 11520981]

約数ペア:

[(1, 11520981), (3, 3840327), (9, 1280109), (27, 426703), (53, 217377), (83, 138807), (97, 118773), (159, 72459), (249, 46269), (291, 39591), (477, 24153), (747, 15423), (873, 13197), (1431, 8051), (2241, 5141), (2619, 4399)]