12393521

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 15321600

約数和(自身を除く): 2928079

約数列:

[1, 7, 31, 41, 49, 199, 217, 287, 1271, 1393, 1519, 2009, 6169, 8159, 8897, 9751, 43183, 57113, 62279, 252929, 302281, 399791, 1770503, 12393521]

約数ペア:

[(1, 12393521), (7, 1770503), (31, 399791), (41, 302281), (49, 252929), (199, 62279), (217, 57113), (287, 43183), (1271, 9751), (1393, 8897), (1519, 8159), (2009, 6169)]