538552557

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 824329440

約数和(自身を除く): 285776883

約数列:

[1, 3, 9, 27, 53, 81, 159, 331, 379, 477, 993, 1137, 1431, 2979, 3411, 4293, 8937, 10233, 17543, 20087, 26811, 30699, 52629, 60261, 125449, 157887, 180783, 376347, 473661, 542349, 1129041, 1420983, 1627047, 3387123, 6648797, 10161369, 19946391, 59839173, 179517519, 538552557]

約数ペア:

[(1, 538552557), (3, 179517519), (9, 59839173), (27, 19946391), (53, 10161369), (81, 6648797), (159, 3387123), (331, 1627047), (379, 1420983), (477, 1129041), (993, 542349), (1137, 473661), (1431, 376347), (2979, 180783), (3411, 157887), (4293, 125449), (8937, 60261), (10233, 52629), (17543, 30699), (20087, 26811)]