81867821

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{1061}}^1$

素因数の和:1292

約数の個数: 16

約数和(自身を含む): 95563008

約数和(自身を除く): 13695187

約数列:

[1, 7, 73, 151, 511, 1057, 1061, 7427, 11023, 77161, 77453, 160211, 542171, 1121477, 11695403, 81867821]

約数ペア:

[(1, 81867821), (7, 11695403), (73, 1121477), (151, 542171), (511, 160211), (1057, 77453), (1061, 77161), (7427, 11023)]