490378161

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{5851}}^1$

素因数の和:6181

約数の個数: 32

約数和(自身を含む): 807482368

約数和(自身を除く): 317104207

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 307, 921, 2149, 3991, 5851, 6447, 11973, 17553, 27937, 40957, 76063, 83811, 122871, 228189, 532441, 1597323, 1796257, 5388771, 12573799, 23351341, 37721397, 70054023, 163459387, 490378161]

約数ペア:

[(1, 490378161), (3, 163459387), (7, 70054023), (13, 37721397), (21, 23351341), (39, 12573799), (91, 5388771), (273, 1796257), (307, 1597323), (921, 532441), (2149, 228189), (3991, 122871), (5851, 83811), (6447, 76063), (11973, 40957), (17553, 27937)]