12345345

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4813}}^1$

素因数の和:4846

約数の個数: 32

約数和(自身を含む): 23107200

約数和(自身を除く): 10761855

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 4813, 14439, 24065, 43317, 72195, 91447, 129951, 216585, 274341, 457235, 649755, 823023, 1371705, 2469069, 4115115, 12345345]

約数ペア:

[(1, 12345345), (3, 4115115), (5, 2469069), (9, 1371705), (15, 823023), (19, 649755), (27, 457235), (45, 274341), (57, 216585), (95, 129951), (135, 91447), (171, 72195), (285, 43317), (513, 24065), (855, 14439), (2565, 4813)]