80518725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{17041}}^1$

素因数の和:17067

約数の個数: 48

約数和(自身を含む): 169056640

約数和(自身を除く): 88537915

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, 4725, 17041, 51123, 85205, 119287, 153369, 255615, 357861, 426025, 460107, 596435, 766845, 1073583, 1278075, 1789305, 2300535, 2982175, 3220749, 3834225, 5367915, 8946525, 11502675, 16103745, 26839575, 80518725]

約数ペア:

[(1, 80518725), (3, 26839575), (5, 16103745), (7, 11502675), (9, 8946525), (15, 5367915), (21, 3834225), (25, 3220749), (27, 2982175), (35, 2300535), (45, 1789305), (63, 1278075), (75, 1073583), (105, 766845), (135, 596435), (175, 460107), (189, 426025), (225, 357861), (315, 255615), (525, 153369), (675, 119287), (945, 85205), (1575, 51123), (4725, 17041)]