2868471

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{71}}^1$

素因数の和:211

約数の個数: 18

約数和(自身を含む): 4265352

約数和(自身を除く): 1396881

約数列:

[1, 3, 9, 67, 71, 201, 213, 603, 639, 4489, 4757, 13467, 14271, 40401, 42813, 318719, 956157, 2868471]

約数ペア:

[(1, 2868471), (3, 956157), (9, 318719), (67, 42813), (71, 40401), (201, 14271), (213, 13467), (603, 4757), (639, 4489)]