205606401

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9781}}^1$

素因数の和:9822

約数の個数: 48

約数和(自身を含む): 374689728

約数和(自身を除く): 169083327

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 143, 147, 231, 273, 429, 539, 637, 1001, 1617, 1911, 3003, 7007, 9781, 21021, 29343, 68467, 107591, 127153, 205401, 322773, 381459, 479269, 753137, 890071, 1398683, 1437807, 2259411, 2670213, 4196049, 5271959, 6230497, 9790781, 15815877, 18691491, 29372343, 68535467, 205606401]

約数ペア:

[(1, 205606401), (3, 68535467), (7, 29372343), (11, 18691491), (13, 15815877), (21, 9790781), (33, 6230497), (39, 5271959), (49, 4196049), (77, 2670213), (91, 2259411), (143, 1437807), (147, 1398683), (231, 890071), (273, 753137), (429, 479269), (539, 381459), (637, 322773), (1001, 205401), (1617, 127153), (1911, 107591), (3003, 68467), (7007, 29343), (9781, 21021)]