981075

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 1650688

約数和(自身を除く): 669613

約数列:

[1, 3, 5, 15, 25, 75, 103, 127, 309, 381, 515, 635, 1545, 1905, 2575, 3175, 7725, 9525, 13081, 39243, 65405, 196215, 327025, 981075]

約数ペア:

[(1, 981075), (3, 327025), (5, 196215), (15, 65405), (25, 39243), (75, 13081), (103, 9525), (127, 7725), (309, 3175), (381, 2575), (515, 1905), (635, 1545)]