56151669

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{140731}}^1$

素因数の和:140760

約数の個数: 16

約数和(自身を含む): 90068480

約数和(自身を除く): 33916811

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 140731, 422193, 985117, 2673889, 2955351, 8021667, 18717223, 56151669]

約数ペア:

[(1, 56151669), (3, 18717223), (7, 8021667), (19, 2955351), (21, 2673889), (57, 985117), (133, 422193), (399, 140731)]