156777009

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1\times {\mathrm{857}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 223368288

約数和(自身を除く): 66591279

約数列:

[1, 3, 17, 51, 211, 289, 633, 857, 867, 2571, 3587, 10761, 14569, 43707, 60979, 180827, 182937, 247673, 542481, 743019, 3074059, 9222177, 52259003, 156777009]

約数ペア:

[(1, 156777009), (3, 52259003), (17, 9222177), (51, 3074059), (211, 743019), (289, 542481), (633, 247673), (857, 182937), (867, 180827), (2571, 60979), (3587, 43707), (10761, 14569)]