1807221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 2620800

約数和(自身を除く): 813579

約数列:

[1, 3, 13, 39, 149, 311, 447, 933, 1937, 4043, 5811, 12129, 46339, 139017, 602407, 1807221]

約数ペア:

[(1, 1807221), (3, 602407), (13, 139017), (39, 46339), (149, 12129), (311, 5811), (447, 4043), (933, 1937)]