12880713

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 6472887

約数列:

[1, 3, 17, 23, 51, 69, 79, 139, 237, 391, 417, 1173, 1343, 1817, 2363, 3197, 4029, 5451, 7089, 9591, 10981, 30889, 32943, 54349, 92667, 163047, 186677, 252563, 560031, 757689, 4293571, 12880713]

約数ペア:

[(1, 12880713), (3, 4293571), (17, 757689), (23, 560031), (51, 252563), (69, 186677), (79, 163047), (139, 92667), (237, 54349), (391, 32943), (417, 30889), (1173, 10981), (1343, 9591), (1817, 7089), (2363, 5451), (3197, 4029)]