28577115

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{353}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 56991168

約数和(自身を除く): 28414053

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 257, 315, 353, 771, 1059, 1285, 1765, 1799, 2313, 2471, 3177, 3855, 5295, 5397, 7413, 8995, 11565, 12355, 15885, 16191, 22239, 26985, 37065, 80955, 90721, 111195, 272163, 453605, 635047, 816489, 1360815, 1905141, 3175235, 4082445, 5715423, 9525705, 28577115]

約数ペア:

[(1, 28577115), (3, 9525705), (5, 5715423), (7, 4082445), (9, 3175235), (15, 1905141), (21, 1360815), (35, 816489), (45, 635047), (63, 453605), (105, 272163), (257, 111195), (315, 90721), (353, 80955), (771, 37065), (1059, 26985), (1285, 22239), (1765, 16191), (1799, 15885), (2313, 12355), (2471, 11565), (3177, 8995), (3855, 7413), (5295, 5397)]