81738761601

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{65971559}}^1$

素因数の和:65971628

約数の個数: 16

約数和(自身を含む): 126665395200

約数和(自身を除く): 44926633599

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 65971559, 197914677, 461800913, 1385402739, 3892321981, 11676965943, 27246253867, 81738761601]

約数ペア:

[(1, 81738761601), (3, 27246253867), (7, 11676965943), (21, 3892321981), (59, 1385402739), (177, 461800913), (413, 197914677), (1239, 65971559)]