128260221

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{1483}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 173236224

約数和(自身を除く): 44976003

約数列:

[1, 3, 127, 227, 381, 681, 1483, 4449, 28829, 86487, 188341, 336641, 565023, 1009923, 42753407, 128260221]

約数ペア:

[(1, 128260221), (3, 42753407), (127, 1009923), (227, 565023), (381, 336641), (681, 188341), (1483, 86487), (4449, 28829)]