7889319

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{563}}^1$

素因数の和:748

約数の個数: 20

約数和(自身を含む): 11874456

約数和(自身を除く): 3985137

約数列:

[1, 3, 9, 27, 81, 173, 519, 563, 1557, 1689, 4671, 5067, 14013, 15201, 45603, 97399, 292197, 876591, 2629773, 7889319]

約数ペア:

[(1, 7889319), (3, 2629773), (9, 876591), (27, 292197), (81, 97399), (173, 45603), (519, 15201), (563, 14013), (1557, 5067), (1689, 4671)]