61551981

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{9619}}^1$

素因数の和:9710

約数の個数: 20

約数和(自身を含む): 93121600

約数和(自身を除く): 31569619

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 9619, 28857, 86571, 259713, 759901, 779139, 2279703, 6839109, 20517327, 61551981]

約数ペア:

[(1, 61551981), (3, 20517327), (9, 6839109), (27, 2279703), (79, 779139), (81, 759901), (237, 259713), (711, 86571), (2133, 28857), (6399, 9619)]