277936127

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 321864192

約数和(自身を除く): 43928065

約数列:

[1, 7, 103, 397, 721, 971, 2779, 6797, 40891, 100013, 286237, 385487, 700091, 2698409, 39705161, 277936127]

約数ペア:

[(1, 277936127), (7, 39705161), (103, 2698409), (397, 700091), (721, 385487), (971, 286237), (2779, 100013), (6797, 40891)]