28339353

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3019}}^1$

素因数の和:3181

約数の個数: 24

約数和(自身を含む): 47112000

約数和(自身を除く): 18772647

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3019, 3129, 9057, 9387, 21133, 27171, 63399, 190197, 449831, 1349493, 3148817, 4048479, 9446451, 28339353]

約数ペア:

[(1, 28339353), (3, 9446451), (7, 4048479), (9, 3148817), (21, 1349493), (63, 449831), (149, 190197), (447, 63399), (1043, 27171), (1341, 21133), (3019, 9387), (3129, 9057)]