12861555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{353}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 23652864

約数和(自身を除く): 10791309

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 347, 353, 1041, 1059, 1735, 1765, 2429, 2471, 5205, 5295, 7287, 7413, 12145, 12355, 36435, 37065, 122491, 367473, 612455, 857437, 1837365, 2572311, 4287185, 12861555]

約数ペア:

[(1, 12861555), (3, 4287185), (5, 2572311), (7, 1837365), (15, 857437), (21, 612455), (35, 367473), (105, 122491), (347, 37065), (353, 36435), (1041, 12355), (1059, 12145), (1735, 7413), (1765, 7287), (2429, 5295), (2471, 5205)]