12487839

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 20697600

約数和(自身を除く): 8209761

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 307, 447, 921, 1043, 1937, 2149, 3129, 3991, 5811, 6447, 11973, 13559, 27937, 40677, 45743, 83811, 137229, 320201, 594659, 960603, 1783977, 4162613, 12487839]

約数ペア:

[(1, 12487839), (3, 4162613), (7, 1783977), (13, 960603), (21, 594659), (39, 320201), (91, 137229), (149, 83811), (273, 45743), (307, 40677), (447, 27937), (921, 13559), (1043, 11973), (1937, 6447), (2149, 5811), (3129, 3991)]