204787009

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{1907}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 253229760

約数和(自身を除く): 48442751

約数列:

[1, 7, 23, 29, 161, 203, 529, 667, 1907, 3703, 4669, 13349, 15341, 43861, 55303, 107387, 307027, 387121, 1008803, 1271969, 7061621, 8903783, 29255287, 204787009]

約数ペア:

[(1, 204787009), (7, 29255287), (23, 8903783), (29, 7061621), (161, 1271969), (203, 1008803), (529, 387121), (667, 307027), (1907, 107387), (3703, 55303), (4669, 43861), (13349, 15341)]