3966795

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{257}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 8049600

約数和(自身を除く): 4082805

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 257, 315, 343, 441, 735, 771, 1029, 1285, 1715, 1799, 2205, 2313, 3087, 3855, 5145, 5397, 8995, 11565, 12593, 15435, 16191, 26985, 37779, 62965, 80955, 88151, 113337, 188895, 264453, 440755, 566685, 793359, 1322265, 3966795]

約数ペア:

[(1, 3966795), (3, 1322265), (5, 793359), (7, 566685), (9, 440755), (15, 264453), (21, 188895), (35, 113337), (45, 88151), (49, 80955), (63, 62965), (105, 37779), (147, 26985), (245, 16191), (257, 15435), (315, 12593), (343, 11565), (441, 8995), (735, 5397), (771, 5145), (1029, 3855), (1285, 3087), (1715, 2313), (1799, 2205)]