642912105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{4951}}^1$

素因数の和:5757

約数の個数: 32

約数和(自身を含む): 1123826688

約数和(自身を除く): 480914583

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 787, 2361, 3935, 4951, 8657, 11805, 14853, 24755, 25971, 43285, 54461, 74265, 129855, 163383, 272305, 816915, 3896437, 11689311, 19482185, 42860807, 58446555, 128582421, 214304035, 642912105]

約数ペア:

[(1, 642912105), (3, 214304035), (5, 128582421), (11, 58446555), (15, 42860807), (33, 19482185), (55, 11689311), (165, 3896437), (787, 816915), (2361, 272305), (3935, 163383), (4951, 129855), (8657, 74265), (11805, 54461), (14853, 43285), (24755, 25971)]