12729955

素因数分解:

$5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{233}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 17926272

約数和(自身を除く): 5196317

約数列:

[1, 5, 7, 35, 49, 223, 233, 245, 1115, 1165, 1561, 1631, 7805, 8155, 10927, 11417, 51959, 54635, 57085, 259795, 363713, 1818565, 2545991, 12729955]

約数ペア:

[(1, 12729955), (5, 2545991), (7, 1818565), (35, 363713), (49, 259795), (223, 57085), (233, 54635), (245, 51959), (1115, 11417), (1165, 10927), (1561, 8155), (1631, 7805)]