61131105

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{21563}}^1$

素因数の和:21587

約数の個数: 40

約数和(自身を含む): 125243712

約数和(自身を除く): 64112607

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 21563, 64689, 107815, 150941, 194067, 323445, 452823, 582201, 754705, 970335, 1358469, 1746603, 2264115, 2911005, 4075407, 6792345, 8733015, 12226221, 20377035, 61131105]

約数ペア:

[(1, 61131105), (3, 20377035), (5, 12226221), (7, 8733015), (9, 6792345), (15, 4075407), (21, 2911005), (27, 2264115), (35, 1746603), (45, 1358469), (63, 970335), (81, 754705), (105, 582201), (135, 452823), (189, 323445), (315, 194067), (405, 150941), (567, 107815), (945, 64689), (2835, 21563)]