30987513

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 46475520

約数和(自身を除く): 15488007

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 711, 1063, 3189, 3239, 9567, 9717, 29151, 43583, 83977, 130749, 251931, 392247, 755793, 3443057, 10329171, 30987513]

約数ペア:

[(1, 30987513), (3, 10329171), (9, 3443057), (41, 755793), (79, 392247), (123, 251931), (237, 130749), (369, 83977), (711, 43583), (1063, 29151), (3189, 9717), (3239, 9567)]