2189142693

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{342107}}^1$

素因数の和:342198

約数の個数: 20

約数和(自身を含む): 3311605440

約数和(自身を除く): 1122462747

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 342107, 1026321, 3078963, 9236889, 27026453, 27710667, 81079359, 243238077, 729714231, 2189142693]

約数ペア:

[(1, 2189142693), (3, 729714231), (9, 243238077), (27, 81079359), (79, 27710667), (81, 27026453), (237, 9236889), (711, 3078963), (2133, 1026321), (6399, 342107)]