28715427

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2957}}^1$

素因数の和:3059

約数の個数: 24

約数和(自身を含む): 45221904

約数和(自身を除く): 16506477

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 2957, 3237, 8871, 9711, 26613, 38441, 115323, 245431, 345969, 736293, 2208879, 3190603, 9571809, 28715427]

約数ペア:

[(1, 28715427), (3, 9571809), (9, 3190603), (13, 2208879), (39, 736293), (83, 345969), (117, 245431), (249, 115323), (747, 38441), (1079, 26613), (2957, 9711), (3237, 8871)]