15557913

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1235

約数の個数: 40

約数和(自身を含む): 27739008

約数和(自身を除く): 12181095

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1193, 1449, 1863, 3579, 4347, 8351, 10737, 13041, 25053, 27439, 32211, 75159, 82317, 96633, 192073, 225477, 246951, 576219, 676431, 740853, 1728657, 2222559, 5185971, 15557913]

約数ペア:

[(1, 15557913), (3, 5185971), (7, 2222559), (9, 1728657), (21, 740853), (23, 676431), (27, 576219), (63, 246951), (69, 225477), (81, 192073), (161, 96633), (189, 82317), (207, 75159), (483, 32211), (567, 27439), (621, 25053), (1193, 13041), (1449, 10737), (1863, 8351), (3579, 4347)]