399168756

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{528001}}^1$

素因数の和:528021

約数の個数: 48

約数和(自身を含む): 1182724480

約数和(自身を除く): 783555724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 528001, 1056002, 1584003, 2112004, 3168006, 3696007, 4752009, 6336012, 7392014, 9504018, 11088021, 14256027, 14784028, 19008036, 22176042, 28512054, 33264063, 44352084, 57024108, 66528126, 99792189, 133056252, 199584378, 399168756]

約数ペア:

[(1, 399168756), (2, 199584378), (3, 133056252), (4, 99792189), (6, 66528126), (7, 57024108), (9, 44352084), (12, 33264063), (14, 28512054), (18, 22176042), (21, 19008036), (27, 14784028), (28, 14256027), (36, 11088021), (42, 9504018), (54, 7392014), (63, 6336012), (84, 4752009), (108, 3696007), (126, 3168006), (189, 2112004), (252, 1584003), (378, 1056002), (756, 528001)]