1891665

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 3314688

約数和(自身を除く): 1423023

約数列:

[1, 3, 5, 9, 15, 45, 127, 331, 381, 635, 993, 1143, 1655, 1905, 2979, 4965, 5715, 14895, 42037, 126111, 210185, 378333, 630555, 1891665]

約数ペア:

[(1, 1891665), (3, 630555), (5, 378333), (9, 210185), (15, 126111), (45, 42037), (127, 14895), (331, 5715), (381, 4965), (635, 2979), (993, 1905), (1143, 1655)]