81621233

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2648

約数の個数: 16

約数和(自身を含む): 90708480

約数和(自身を除く): 9087247

約数列:

[1, 17, 31, 61, 527, 1037, 1891, 2539, 32147, 43163, 78709, 154879, 1338053, 2632943, 4801249, 81621233]

約数ペア:

[(1, 81621233), (17, 4801249), (31, 2632943), (61, 1338053), (527, 154879), (1037, 78709), (1891, 43163), (2539, 32147)]