81748891

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8761}}^1$

素因数の和:8842

約数の個数: 16

約数和(自身を含む): 98695168

約数和(自身を除く): 16946277

約数列:

[1, 7, 31, 43, 217, 301, 1333, 8761, 9331, 61327, 271591, 376723, 1901137, 2637061, 11678413, 81748891]

約数ペア:

[(1, 81748891), (7, 11678413), (31, 2637061), (43, 1901137), (217, 376723), (301, 271591), (1333, 61327), (8761, 9331)]