28217409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27583}}^1$

素因数の和:27628

約数の個数: 16

約数和(自身を含む): 42369024

約数和(自身を除く): 14151615

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 27583, 82749, 303413, 855073, 910239, 2565219, 9405803, 28217409]

約数ペア:

[(1, 28217409), (3, 9405803), (11, 2565219), (31, 910239), (33, 855073), (93, 303413), (341, 82749), (1023, 27583)]