1729221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 2513280

約数和(自身を除く): 784059

約数列:

[1, 3, 13, 39, 101, 303, 439, 1313, 1317, 3939, 5707, 17121, 44339, 133017, 576407, 1729221]

約数ペア:

[(1, 1729221), (3, 576407), (13, 133017), (39, 44339), (101, 17121), (303, 5707), (439, 3939), (1313, 1317)]