71621137

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{4091}}^1$

素因数の和:4200

約数の個数: 16

約数和(自身を含む): 85244544

約数和(自身を除く): 13623407

約数列:

[1, 7, 41, 61, 287, 427, 2501, 4091, 17507, 28637, 167731, 249551, 1174117, 1746857, 10231591, 71621137]

約数ペア:

[(1, 71621137), (7, 10231591), (41, 1746857), (61, 1174117), (287, 249551), (427, 167731), (2501, 28637), (4091, 17507)]