206871555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73751}}^1$

素因数の和:73787

約数の個数: 32

約数和(自身を含む): 382330368

約数和(自身を除く): 175458813

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 73751, 221253, 368755, 811261, 1106265, 1253767, 2433783, 3761301, 4056305, 6268835, 12168915, 13791437, 18806505, 41374311, 68957185, 206871555]

約数ペア:

[(1, 206871555), (3, 68957185), (5, 41374311), (11, 18806505), (15, 13791437), (17, 12168915), (33, 6268835), (51, 4056305), (55, 3761301), (85, 2433783), (165, 1253767), (187, 1106265), (255, 811261), (561, 368755), (935, 221253), (2805, 73751)]