81261649

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{97553}}^1$

素因数の和:97584

約数の個数: 12

約数和(自身を含む): 100090404

約数和(自身を除く): 18828755

約数列:

[1, 7, 17, 49, 119, 833, 97553, 682871, 1658401, 4780097, 11608807, 81261649]

約数ペア:

[(1, 81261649), (7, 11608807), (17, 4780097), (49, 1658401), (119, 682871), (833, 97553)]