271566981

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{739}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 474073600

約数和(自身を除く): 202506619

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 307, 399, 739, 921, 1197, 2149, 2217, 2763, 5173, 5833, 6447, 6651, 14041, 15519, 17499, 19341, 40831, 42123, 46557, 52497, 98287, 122493, 126369, 226873, 294861, 367479, 680619, 884583, 1588111, 2041857, 4310587, 4764333, 12931761, 14292999, 30174109, 38795283, 90522327, 271566981]

約数ペア:

[(1, 271566981), (3, 90522327), (7, 38795283), (9, 30174109), (19, 14292999), (21, 12931761), (57, 4764333), (63, 4310587), (133, 2041857), (171, 1588111), (307, 884583), (399, 680619), (739, 367479), (921, 294861), (1197, 226873), (2149, 126369), (2217, 122493), (2763, 98287), (5173, 52497), (5833, 46557), (6447, 42123), (6651, 40831), (14041, 19341), (15519, 17499)]