12221433

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 21340800

約数和(自身を除く): 9119367

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 107, 111, 147, 259, 321, 333, 343, 441, 749, 777, 963, 1029, 1813, 2247, 2331, 3087, 3959, 5243, 5439, 6741, 11877, 12691, 15729, 16317, 27713, 35631, 36701, 38073, 47187, 83139, 110103, 114219, 193991, 249417, 330309, 581973, 1357937, 1745919, 4073811, 12221433]

約数ペア:

[(1, 12221433), (3, 4073811), (7, 1745919), (9, 1357937), (21, 581973), (37, 330309), (49, 249417), (63, 193991), (107, 114219), (111, 110103), (147, 83139), (259, 47187), (321, 38073), (333, 36701), (343, 35631), (441, 27713), (749, 16317), (777, 15729), (963, 12691), (1029, 11877), (1813, 6741), (2247, 5439), (2331, 5243), (3087, 3959)]