28493421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{18371}}^1$

素因数の和:18432

約数の個数: 16

約数和(自身を含む): 42329088

約数和(自身を除く): 13835667

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 18371, 55113, 202081, 606243, 863437, 2590311, 9497807, 28493421]

約数ペア:

[(1, 28493421), (3, 9497807), (11, 2590311), (33, 863437), (47, 606243), (141, 202081), (517, 55113), (1551, 18371)]