427402179

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 639802800

約数和(自身を除く): 212400621

約数列:

[1, 3, 9, 67, 71, 149, 201, 213, 447, 603, 639, 1341, 4489, 4757, 9983, 10579, 13467, 14271, 29949, 31737, 40401, 42813, 89847, 95211, 318719, 668861, 708793, 956157, 2006583, 2126379, 2868471, 6019749, 6379137, 47489131, 142467393, 427402179]

約数ペア:

[(1, 427402179), (3, 142467393), (9, 47489131), (67, 6379137), (71, 6019749), (149, 2868471), (201, 2126379), (213, 2006583), (447, 956157), (603, 708793), (639, 668861), (1341, 318719), (4489, 95211), (4757, 89847), (9983, 42813), (10579, 40401), (13467, 31737), (14271, 29949)]