128507907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{63839}}^1$

素因数の和:63914

約数の個数: 16

約数和(自身を含む): 189987840

約数和(自身を除く): 61479933

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 63839, 191517, 702229, 2106687, 3894179, 11682537, 42835969, 128507907]

約数ペア:

[(1, 128507907), (3, 42835969), (11, 11682537), (33, 3894179), (61, 2106687), (183, 702229), (671, 191517), (2013, 63839)]