220173201

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2671}}^1$

素因数の和:2794

約数の個数: 32

約数和(自身を含む): 338595840

約数和(自身を除く): 118422639

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 387, 639, 1161, 1917, 2671, 3053, 8013, 9159, 24039, 27477, 72117, 82431, 114853, 189641, 344559, 568923, 1033677, 1706769, 3101031, 5120307, 8154563, 24463689, 73391067, 220173201]

約数ペア:

[(1, 220173201), (3, 73391067), (9, 24463689), (27, 8154563), (43, 5120307), (71, 3101031), (129, 1706769), (213, 1033677), (387, 568923), (639, 344559), (1161, 189641), (1917, 114853), (2671, 82431), (3053, 72117), (8013, 27477), (9159, 24039)]