1257939

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 1946880

約数和(自身を除く): 688941

約数列:

[1, 3, 9, 23, 59, 69, 103, 177, 207, 309, 531, 927, 1357, 2369, 4071, 6077, 7107, 12213, 18231, 21321, 54693, 139771, 419313, 1257939]

約数ペア:

[(1, 1257939), (3, 419313), (9, 139771), (23, 54693), (59, 21321), (69, 18231), (103, 12213), (177, 7107), (207, 6077), (309, 4071), (531, 2369), (927, 1357)]