161569809

素因数分解:

$3^4\times {\mathrm{577}}^1\times {\mathrm{3457}}^1$

素因数の和:4046

約数の個数: 20

約数和(自身を含む): 241845604

約数和(自身を除く): 80275795

約数列:

[1, 3, 9, 27, 81, 577, 1731, 3457, 5193, 10371, 15579, 31113, 46737, 93339, 280017, 1994689, 5984067, 17952201, 53856603, 161569809]

約数ペア:

[(1, 161569809), (3, 53856603), (9, 17952201), (27, 5984067), (81, 1994689), (577, 280017), (1731, 93339), (3457, 46737), (5193, 31113), (10371, 15579)]