1406439

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:179

約数の個数: 18

約数和(自身を含む): 2127008

約数和(自身を除く): 720569

約数列:

[1, 3, 9, 31, 71, 93, 213, 279, 639, 2201, 5041, 6603, 15123, 19809, 45369, 156271, 468813, 1406439]

約数ペア:

[(1, 1406439), (3, 468813), (9, 156271), (31, 45369), (71, 19809), (93, 15123), (213, 6603), (279, 5041), (639, 2201)]