201640761

素因数分解:

$3^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{3889}}^1$

素因数の和:4725

約数の個数: 24

約数和(自身を含む): 333357440

約数和(自身を除く): 131716679

約数列:

[1, 3, 7, 9, 21, 63, 823, 2469, 3889, 5761, 7407, 11667, 17283, 27223, 35001, 51849, 81669, 245007, 3200647, 9601941, 22404529, 28805823, 67213587, 201640761]

約数ペア:

[(1, 201640761), (3, 67213587), (7, 28805823), (9, 22404529), (21, 9601941), (63, 3200647), (823, 245007), (2469, 81669), (3889, 51849), (5761, 35001), (7407, 27223), (11667, 17283)]