386457729

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{2381}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 603694080

約数和(自身を除く): 217236351

約数列:

[1, 3, 7, 21, 59, 131, 177, 393, 413, 917, 1239, 2381, 2751, 7143, 7729, 16667, 23187, 50001, 54103, 140479, 162309, 311911, 421437, 935733, 983353, 2183377, 2950059, 6550131, 18402749, 55208247, 128819243, 386457729]

約数ペア:

[(1, 386457729), (3, 128819243), (7, 55208247), (21, 18402749), (59, 6550131), (131, 2950059), (177, 2183377), (393, 983353), (413, 935733), (917, 421437), (1239, 311911), (2381, 162309), (2751, 140479), (7143, 54103), (7729, 50001), (16667, 23187)]