27956721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 42940800

約数和(自身を除く): 14984079

約数列:

[1, 3, 13, 17, 39, 51, 149, 221, 283, 447, 663, 849, 1937, 2533, 3679, 4811, 5811, 7599, 11037, 14433, 32929, 42167, 62543, 98787, 126501, 187629, 548171, 716839, 1644513, 2150517, 9318907, 27956721]

約数ペア:

[(1, 27956721), (3, 9318907), (13, 2150517), (17, 1644513), (39, 716839), (51, 548171), (149, 187629), (221, 126501), (283, 98787), (447, 62543), (663, 42167), (849, 32929), (1937, 14433), (2533, 11037), (3679, 7599), (4811, 5811)]