642877287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{1009}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 1010953440

約数和(自身を除く): 368076153

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 961, 1009, 1209, 1581, 2883, 3027, 6851, 12493, 13117, 16337, 17153, 20553, 31279, 37479, 39351, 49011, 51459, 93837, 212381, 222989, 406627, 531743, 637143, 668967, 969649, 1219881, 1595229, 2908947, 6912659, 12605437, 16484033, 20737977, 37816311, 49452099, 214292429, 642877287]

約数ペア:

[(1, 642877287), (3, 214292429), (13, 49452099), (17, 37816311), (31, 20737977), (39, 16484033), (51, 12605437), (93, 6912659), (221, 2908947), (403, 1595229), (527, 1219881), (663, 969649), (961, 668967), (1009, 637143), (1209, 531743), (1581, 406627), (2883, 222989), (3027, 212381), (6851, 93837), (12493, 51459), (13117, 49011), (16337, 39351), (17153, 37479), (20553, 31279)]