28073031

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{541}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 43745904

約数和(自身を除く): 15672873

約数列:

[1, 3, 7, 21, 49, 147, 353, 541, 1059, 1623, 2471, 3787, 7413, 11361, 17297, 26509, 51891, 79527, 190973, 572919, 1336811, 4010433, 9357677, 28073031]

約数ペア:

[(1, 28073031), (3, 9357677), (7, 4010433), (21, 1336811), (49, 572919), (147, 190973), (353, 79527), (541, 51891), (1059, 26509), (1623, 17297), (2471, 11361), (3787, 7413)]