128535723

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 189648576

約数和(自身を除く): 61112853

約数列:

[1, 3, 9, 61, 183, 257, 549, 771, 911, 2313, 2733, 8199, 15677, 47031, 55571, 141093, 166713, 234127, 500139, 702381, 2107143, 14281747, 42845241, 128535723]

約数ペア:

[(1, 128535723), (3, 42845241), (9, 14281747), (61, 2107143), (183, 702381), (257, 500139), (549, 234127), (771, 166713), (911, 141093), (2313, 55571), (2733, 47031), (8199, 15677)]