285372213

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{222773}}^1$

素因数の和:222844

約数の個数: 16

約数和(自身を含む): 441983616

約数和(自身を除く): 156611403

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 222773, 668319, 1559411, 4678233, 13589153, 40767459, 95124071, 285372213]

約数ペア:

[(1, 285372213), (3, 95124071), (7, 40767459), (21, 13589153), (61, 4678233), (183, 1559411), (427, 668319), (1281, 222773)]