389640309

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 556968960

約数和(自身を除く): 167328651

約数列:

[1, 3, 23, 67, 69, 89, 201, 267, 947, 1541, 2047, 2841, 4623, 5963, 6141, 17889, 21781, 63449, 65343, 84283, 137149, 190347, 252849, 411447, 1459327, 1938509, 4377981, 5646961, 5815527, 16940883, 129880103, 389640309]

約数ペア:

[(1, 389640309), (3, 129880103), (23, 16940883), (67, 5815527), (69, 5646961), (89, 4377981), (201, 1938509), (267, 1459327), (947, 411447), (1541, 252849), (2047, 190347), (2841, 137149), (4623, 84283), (5963, 65343), (6141, 63449), (17889, 21781)]