1909953

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{557}}^1$

素因数の和:693

約数の個数: 16

約数和(自身を含む): 2856960

約数和(自身を除く): 947007

約数列:

[1, 3, 9, 27, 127, 381, 557, 1143, 1671, 3429, 5013, 15039, 70739, 212217, 636651, 1909953]

約数ペア:

[(1, 1909953), (3, 636651), (9, 212217), (27, 70739), (127, 15039), (381, 5013), (557, 3429), (1143, 1671)]