3921815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 5417280

約数和(自身を除く): 1495465

約数列:

[1, 5, 17, 29, 37, 43, 85, 145, 185, 215, 493, 629, 731, 1073, 1247, 1591, 2465, 3145, 3655, 5365, 6235, 7955, 18241, 21199, 27047, 46139, 91205, 105995, 135235, 230695, 784363, 3921815]

約数ペア:

[(1, 3921815), (5, 784363), (17, 230695), (29, 135235), (37, 105995), (43, 91205), (85, 46139), (145, 27047), (185, 21199), (215, 18241), (493, 7955), (629, 6235), (731, 5365), (1073, 3655), (1247, 3145), (1591, 2465)]