1970109

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{557}}^1$

素因数の和:697

約数の個数: 16

約数和(自身を含む): 2946240

約数和(自身を除く): 976131

約数列:

[1, 3, 9, 27, 131, 393, 557, 1179, 1671, 3537, 5013, 15039, 72967, 218901, 656703, 1970109]

約数ペア:

[(1, 1970109), (3, 656703), (9, 218901), (27, 72967), (131, 15039), (393, 5013), (557, 3537), (1179, 1671)]