219437901

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{919}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 325216320

約数和(自身を除く): 105778419

約数列:

[1, 3, 9, 43, 129, 387, 617, 919, 1851, 2757, 5553, 8271, 26531, 39517, 79593, 118551, 238779, 355653, 567023, 1701069, 5103207, 24381989, 73145967, 219437901]

約数ペア:

[(1, 219437901), (3, 73145967), (9, 24381989), (43, 5103207), (129, 1701069), (387, 567023), (617, 355653), (919, 238779), (1851, 118551), (2757, 79593), (5553, 39517), (8271, 26531)]