1373505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 2555904

約数和(自身を除く): 1182399

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 127, 309, 381, 515, 635, 721, 889, 1545, 1905, 2163, 2667, 3605, 4445, 10815, 13081, 13335, 39243, 65405, 91567, 196215, 274701, 457835, 1373505]

約数ペア:

[(1, 1373505), (3, 457835), (5, 274701), (7, 196215), (15, 91567), (21, 65405), (35, 39243), (103, 13335), (105, 13081), (127, 10815), (309, 4445), (381, 3605), (515, 2667), (635, 2163), (721, 1905), (889, 1545)]