213345981

素因数分解:

$3^5\times {\mathrm{569}}^1\times {\mathrm{1543}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 320349120

約数和(自身を除く): 107003139

約数列:

[1, 3, 9, 27, 81, 243, 569, 1543, 1707, 4629, 5121, 13887, 15363, 41661, 46089, 124983, 138267, 374949, 877967, 2633901, 7901703, 23705109, 71115327, 213345981]

約数ペア:

[(1, 213345981), (3, 71115327), (9, 23705109), (27, 7901703), (81, 2633901), (243, 877967), (569, 374949), (1543, 138267), (1707, 124983), (4629, 46089), (5121, 41661), (13887, 15363)]