138432987

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{28537}}^1$

素因数の和:28568

約数の個数: 36

約数和(自身を含む): 253759896

約数和(自身を除く): 115326909

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4851, 28537, 85611, 199759, 256833, 313907, 599277, 941721, 1398313, 1797831, 2197349, 2825163, 4194939, 6592047, 12584817, 15381443, 19776141, 46144329, 138432987]

約数ペア:

[(1, 138432987), (3, 46144329), (7, 19776141), (9, 15381443), (11, 12584817), (21, 6592047), (33, 4194939), (49, 2825163), (63, 2197349), (77, 1797831), (99, 1398313), (147, 941721), (231, 599277), (441, 313907), (539, 256833), (693, 199759), (1617, 85611), (4851, 28537)]