81275572221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{2105203}}^1$

素因数の和:2105980

約数の個数: 16

約数和(自身を含む): 114893613504

約数和(自身を除く): 33618041283

約数列:

[1, 3, 17, 51, 757, 2271, 12869, 38607, 2105203, 6315609, 35788451, 107365353, 1593638671, 4780916013, 27091857407, 81275572221]

約数ペア:

[(1, 81275572221), (3, 27091857407), (17, 4780916013), (51, 1593638671), (757, 107365353), (2271, 35788451), (12869, 6315609), (38607, 2105203)]