1227005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 1626240

約数和(自身を除く): 399235

約数列:

[1, 5, 13, 43, 65, 215, 439, 559, 2195, 2795, 5707, 18877, 28535, 94385, 245401, 1227005]

約数ペア:

[(1, 1227005), (5, 245401), (13, 94385), (43, 28535), (65, 18877), (215, 5707), (439, 2795), (559, 2195)]