1282642557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{9539}}^1$

素因数の和:9905

約数の個数: 32

約数和(自身を含む): 2063692800

約数和(自身を除く): 781050243

約数列:

[1, 3, 7, 19, 21, 57, 133, 337, 399, 1011, 2359, 6403, 7077, 9539, 19209, 28617, 44821, 66773, 134463, 181241, 200319, 543723, 1268687, 3214643, 3806061, 9643929, 22502501, 61078217, 67507503, 183234651, 427547519, 1282642557]

約数ペア:

[(1, 1282642557), (3, 427547519), (7, 183234651), (19, 67507503), (21, 61078217), (57, 22502501), (133, 9643929), (337, 3806061), (399, 3214643), (1011, 1268687), (2359, 543723), (6403, 200319), (7077, 181241), (9539, 134463), (19209, 66773), (28617, 44821)]