16845957

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 25316928

約数和(自身を除く): 8470971

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 643, 1929, 2911, 5787, 8733, 26199, 26363, 45653, 79089, 136959, 237267, 410877, 1871773, 5615319, 16845957]

約数ペア:

[(1, 16845957), (3, 5615319), (9, 1871773), (41, 410877), (71, 237267), (123, 136959), (213, 79089), (369, 45653), (639, 26363), (643, 26199), (1929, 8733), (2911, 5787)]