64887837

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 101038080

約数和(自身を除く): 36150243

約数列:

[1, 3, 7, 21, 103, 131, 229, 309, 393, 687, 721, 917, 1603, 2163, 2751, 4809, 13493, 23587, 29999, 40479, 70761, 89997, 94451, 165109, 209993, 283353, 495327, 629979, 3089897, 9269691, 21629279, 64887837]

約数ペア:

[(1, 64887837), (3, 21629279), (7, 9269691), (21, 3089897), (103, 629979), (131, 495327), (229, 283353), (309, 209993), (393, 165109), (687, 94451), (721, 89997), (917, 70761), (1603, 40479), (2163, 29999), (2751, 23587), (4809, 13493)]