68811825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1123}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 122650880

約数和(自身を除く): 53839055

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1123, 1425, 2451, 3225, 3369, 4085, 5615, 12255, 16845, 20425, 21337, 28075, 48289, 61275, 64011, 84225, 106685, 144867, 241445, 320055, 533425, 724335, 917491, 1207225, 1600275, 2752473, 3621675, 4587455, 13762365, 22937275, 68811825]

約数ペア:

[(1, 68811825), (3, 22937275), (5, 13762365), (15, 4587455), (19, 3621675), (25, 2752473), (43, 1600275), (57, 1207225), (75, 917491), (95, 724335), (129, 533425), (215, 320055), (285, 241445), (475, 144867), (645, 106685), (817, 84225), (1075, 64011), (1123, 61275), (1425, 48289), (2451, 28075), (3225, 21337), (3369, 20425), (4085, 16845), (5615, 12255)]