172238481

素因数分解:

$3^4\times {\mathrm{643}}^1\times {\mathrm{3307}}^1$

素因数の和:3962

約数の個数: 20

約数和(自身を含む): 257772592

約数和(自身を除く): 85534111

約数列:

[1, 3, 9, 27, 81, 643, 1929, 3307, 5787, 9921, 17361, 29763, 52083, 89289, 267867, 2126401, 6379203, 19137609, 57412827, 172238481]

約数ペア:

[(1, 172238481), (3, 57412827), (9, 19137609), (27, 6379203), (81, 2126401), (643, 267867), (1929, 89289), (3307, 52083), (5787, 29763), (9921, 17361)]