13331825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 6666895

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 127, 221, 247, 323, 325, 425, 475, 635, 1105, 1235, 1615, 1651, 2159, 2413, 3175, 4199, 5525, 6175, 8075, 8255, 10795, 12065, 20995, 28067, 31369, 41021, 41275, 53975, 60325, 104975, 140335, 156845, 205105, 533273, 701675, 784225, 1025525, 2666365, 13331825]

約数ペア:

[(1, 13331825), (5, 2666365), (13, 1025525), (17, 784225), (19, 701675), (25, 533273), (65, 205105), (85, 156845), (95, 140335), (127, 104975), (221, 60325), (247, 53975), (323, 41275), (325, 41021), (425, 31369), (475, 28067), (635, 20995), (1105, 12065), (1235, 10795), (1615, 8255), (1651, 8075), (2159, 6175), (2413, 5525), (3175, 4199)]