12090309

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7477}}^1$

素因数の和:7505

約数の個数: 24

約数和(自身を含む): 20459808

約数和(自身を除く): 8369499

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 7477, 22431, 52339, 82247, 157017, 246741, 366373, 575729, 1099119, 1727187, 4030103, 12090309]

約数ペア:

[(1, 12090309), (3, 4030103), (7, 1727187), (11, 1099119), (21, 575729), (33, 366373), (49, 246741), (77, 157017), (147, 82247), (231, 52339), (539, 22431), (1617, 7477)]