149785209

素因数分解:

$3^2\times 7^2\times {\mathrm{339649}}^1$

素因数の和:339669

約数の個数: 18

約数和(自身を含む): 251680650

約数和(自身を除く): 101895441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 339649, 1018947, 2377543, 3056841, 7132629, 16642801, 21397887, 49928403, 149785209]

約数ペア:

[(1, 149785209), (3, 49928403), (7, 21397887), (9, 16642801), (21, 7132629), (49, 3056841), (63, 2377543), (147, 1018947), (441, 339649)]