388977219

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{3923}}^1$

素因数の和:4431

約数の個数: 24

約数和(自身を含む): 587658240

約数和(自身を除く): 198681021

約数列:

[1, 3, 9, 23, 69, 207, 479, 1437, 3923, 4311, 11017, 11769, 33051, 35307, 90229, 99153, 270687, 812061, 1879117, 5637351, 16912053, 43219691, 129659073, 388977219]

約数ペア:

[(1, 388977219), (3, 129659073), (9, 43219691), (23, 16912053), (69, 5637351), (207, 1879117), (479, 812061), (1437, 270687), (3923, 99153), (4311, 90229), (11017, 35307), (11769, 33051)]