81997783

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29959}}^1$

素因数の和:30006

約数の個数: 16

約数和(自身を含む): 103541760

約数和(自身を除く): 21543977

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 29959, 209713, 509303, 689057, 3565121, 4823399, 11713969, 81997783]

約数ペア:

[(1, 81997783), (7, 11713969), (17, 4823399), (23, 3565121), (119, 689057), (161, 509303), (391, 209713), (2737, 29959)]