8131725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1747

約数の個数: 48

約数和(自身を含む): 17082240

約数和(自身を除く): 8950515

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 1721, 4725, 5163, 8605, 12047, 15489, 25815, 36141, 43025, 46467, 60235, 77445, 108423, 129075, 180705, 232335, 301175, 325269, 387225, 542115, 903525, 1161675, 1626345, 2710575, 8131725]

約数ペア:

[(1, 8131725), (3, 2710575), (5, 1626345), (7, 1161675), (9, 903525), (15, 542115), (21, 387225), (25, 325269), (27, 301175), (35, 232335), (45, 180705), (63, 129075), (75, 108423), (105, 77445), (135, 60235), (175, 46467), (189, 43025), (225, 36141), (315, 25815), (525, 15489), (675, 12047), (945, 8605), (1575, 5163), (1721, 4725)]