38963967

素因数分解:

$3^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{661}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 60676272

約数和(自身を除く): 21712305

約数列:

[1, 3, 7, 21, 49, 147, 401, 661, 1203, 1983, 2807, 4627, 8421, 13881, 19649, 32389, 58947, 97167, 265061, 795183, 1855427, 5566281, 12987989, 38963967]

約数ペア:

[(1, 38963967), (3, 12987989), (7, 5566281), (21, 1855427), (49, 795183), (147, 265061), (401, 97167), (661, 58947), (1203, 32389), (1983, 19649), (2807, 13881), (4627, 8421)]