204979201

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 255744000

約数和(自身を除く): 50764799

約数列:

[1, 7, 19, 49, 71, 133, 343, 443, 497, 931, 1349, 3101, 3479, 6517, 8417, 9443, 21707, 24353, 31453, 58919, 66101, 151949, 220171, 412433, 462707, 597607, 1541197, 2887031, 4183249, 10788379, 29282743, 204979201]

約数ペア:

[(1, 204979201), (7, 29282743), (19, 10788379), (49, 4183249), (71, 2887031), (133, 1541197), (343, 597607), (443, 462707), (497, 412433), (931, 220171), (1349, 151949), (3101, 66101), (3479, 58919), (6517, 31453), (8417, 24353), (9443, 21707)]