149947721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1\times {\mathrm{1663}}^1$

素因数の和:2852

約数の個数: 16

約数和(自身を含む): 187219968

約数和(自身を除く): 37272247

約数列:

[1, 7, 11, 77, 1171, 1663, 8197, 11641, 12881, 18293, 90167, 128051, 1947373, 13631611, 21421103, 149947721]

約数ペア:

[(1, 149947721), (7, 21421103), (11, 13631611), (77, 1947373), (1171, 128051), (1663, 90167), (8197, 18293), (11641, 12881)]