128520993

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1\times {\mathrm{907}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 173246400

約数和(自身を除く): 44725407

約数列:

[1, 3, 149, 317, 447, 907, 951, 2721, 47233, 135143, 141699, 287519, 405429, 862557, 42840331, 128520993]

約数ペア:

[(1, 128520993), (3, 42840331), (149, 862557), (317, 405429), (447, 287519), (907, 141699), (951, 135143), (2721, 47233)]