21777153

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1373}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 30865536

約数和(自身を除く): 9088383

約数列:

[1, 3, 17, 51, 311, 933, 1373, 4119, 5287, 15861, 23341, 70023, 427003, 1281009, 7259051, 21777153]

約数ペア:

[(1, 21777153), (3, 7259051), (17, 1281009), (51, 427003), (311, 70023), (933, 23341), (1373, 15861), (4119, 5287)]