55290021

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{1307}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 75340800

約数和(自身を除く): 20050779

約数列:

[1, 3, 59, 177, 239, 717, 1307, 3921, 14101, 42303, 77113, 231339, 312373, 937119, 18430007, 55290021]

約数ペア:

[(1, 55290021), (3, 18430007), (59, 937119), (177, 312373), (239, 231339), (717, 77113), (1307, 42303), (3921, 14101)]