415987761

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 641634048

約数和(自身を除く): 225646287

約数列:

[1, 3, 7, 21, 193, 197, 521, 579, 591, 1351, 1379, 1563, 3647, 4053, 4137, 10941, 38021, 100553, 102637, 114063, 266147, 301659, 307911, 703871, 718459, 798441, 2111613, 2155377, 19808941, 59426823, 138662587, 415987761]

約数ペア:

[(1, 415987761), (3, 138662587), (7, 59426823), (21, 19808941), (193, 2155377), (197, 2111613), (521, 798441), (579, 718459), (591, 703871), (1351, 307911), (1379, 301659), (1563, 266147), (3647, 114063), (4053, 102637), (4137, 100553), (10941, 38021)]