165380817

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 256602112

約数和(自身を除く): 91221295

約数列:

[1, 3, 7, 21, 103, 157, 309, 471, 487, 721, 1099, 1461, 2163, 3297, 3409, 10227, 16171, 48513, 50161, 76459, 113197, 150483, 229377, 339591, 351127, 535213, 1053381, 1605639, 7875277, 23625831, 55126939, 165380817]

約数ペア:

[(1, 165380817), (3, 55126939), (7, 23625831), (21, 7875277), (103, 1605639), (157, 1053381), (309, 535213), (471, 351127), (487, 339591), (721, 229377), (1099, 150483), (1461, 113197), (2163, 76459), (3297, 50161), (3409, 48513), (10227, 16171)]