215752677

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{78427}}^1$

素因数の和:78568

約数の個数: 16

約数和(自身を含む): 331279872

約数和(自身を除く): 115527195

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 78427, 235281, 548989, 1646967, 10273937, 30821811, 71917559, 215752677]

約数ペア:

[(1, 215752677), (3, 71917559), (7, 30821811), (21, 10273937), (131, 1646967), (393, 548989), (917, 235281), (2751, 78427)]