6978519

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 10438272

約数和(自身を除く): 3459753

約数列:

[1, 3, 9, 67, 71, 163, 201, 213, 489, 603, 639, 1467, 4757, 10921, 11573, 14271, 32763, 34719, 42813, 98289, 104157, 775391, 2326173, 6978519]

約数ペア:

[(1, 6978519), (3, 2326173), (9, 775391), (67, 104157), (71, 98289), (163, 42813), (201, 34719), (213, 32763), (489, 14271), (603, 11573), (639, 10921), (1467, 4757)]