1591965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2081}}^1$

素因数の和:2109

約数の個数: 24

約数和(自身を含む): 2923128

約数和(自身を除く): 1331163

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2081, 6243, 10405, 18729, 31215, 35377, 93645, 106131, 176885, 318393, 530655, 1591965]

約数ペア:

[(1, 1591965), (3, 530655), (5, 318393), (9, 176885), (15, 106131), (17, 93645), (45, 35377), (51, 31215), (85, 18729), (153, 10405), (255, 6243), (765, 2081)]