81983487

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{2549}}^1$

素因数の和:2774

約数の個数: 16

約数和(自身を含む): 111628800

約数和(自身を除く): 29645313

約数列:

[1, 3, 71, 151, 213, 453, 2549, 7647, 10721, 32163, 180979, 384899, 542937, 1154697, 27327829, 81983487]

約数ペア:

[(1, 81983487), (3, 27327829), (71, 1154697), (151, 542937), (213, 384899), (453, 180979), (2549, 32163), (7647, 10721)]