1961973

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 3134040

約数和(自身を除く): 1172067

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 409, 533, 1227, 1599, 3681, 4797, 5317, 15951, 16769, 47853, 50307, 150921, 217997, 653991, 1961973]

約数ペア:

[(1, 1961973), (3, 653991), (9, 217997), (13, 150921), (39, 50307), (41, 47853), (117, 16769), (123, 15951), (369, 5317), (409, 4797), (533, 3681), (1227, 1599)]