1887788187

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{15527}}^1$

素因数の和:15637

約数の個数: 40

約数和(自身を含む): 3006220800

約数和(自身を除く): 1118432613

約数列:

[1, 3, 9, 19, 27, 57, 79, 81, 171, 237, 513, 711, 1501, 1539, 2133, 4503, 6399, 13509, 15527, 40527, 46581, 121581, 139743, 295013, 419229, 885039, 1226633, 1257687, 2655117, 3679899, 7965351, 11039697, 23306027, 23896053, 33119091, 69918081, 99357273, 209754243, 629262729, 1887788187]

約数ペア:

[(1, 1887788187), (3, 629262729), (9, 209754243), (19, 99357273), (27, 69918081), (57, 33119091), (79, 23896053), (81, 23306027), (171, 11039697), (237, 7965351), (513, 3679899), (711, 2655117), (1501, 1257687), (1539, 1226633), (2133, 885039), (4503, 419229), (6399, 295013), (13509, 139743), (15527, 121581), (40527, 46581)]