51358881

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1327}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 83292160

約数和(自身を除く): 31933279

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 679, 1327, 1843, 2037, 3981, 5529, 9289, 12901, 25213, 27867, 38703, 75639, 128719, 176491, 386157, 529473, 901033, 2445661, 2703099, 7336983, 17119627, 51358881]

約数ペア:

[(1, 51358881), (3, 17119627), (7, 7336983), (19, 2703099), (21, 2445661), (57, 901033), (97, 529473), (133, 386157), (291, 176491), (399, 128719), (679, 75639), (1327, 38703), (1843, 27867), (2037, 25213), (3981, 12901), (5529, 9289)]