267268521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1065

約数の個数: 32

約数和(自身を含む): 395176320

約数和(自身を除く): 127907799

約数列:

[1, 3, 13, 39, 43, 129, 197, 559, 591, 809, 1677, 2427, 2561, 7683, 8471, 10517, 25413, 31551, 34787, 104361, 110123, 159373, 330369, 452231, 478119, 1356693, 2071849, 6215547, 6853039, 20559117, 89089507, 267268521]

約数ペア:

[(1, 267268521), (3, 89089507), (13, 20559117), (39, 6853039), (43, 6215547), (129, 2071849), (197, 1356693), (559, 478119), (591, 452231), (809, 330369), (1677, 159373), (2427, 110123), (2561, 104361), (7683, 34787), (8471, 31551), (10517, 25413)]