2139705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2825

約数の個数: 24

約数和(自身を含む): 3928392

約数和(自身を除く): 1788687

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2797, 8391, 13985, 25173, 41955, 47549, 125865, 142647, 237745, 427941, 713235, 2139705]

約数ペア:

[(1, 2139705), (3, 713235), (5, 427941), (9, 237745), (15, 142647), (17, 125865), (45, 47549), (51, 41955), (85, 25173), (153, 13985), (255, 8391), (765, 2797)]