1804131

素因数分解:

$3^2\times 7^2\times {\mathrm{4091}}^1$

素因数の和:4111

約数の個数: 18

約数和(自身を含む): 3032172

約数和(自身を除く): 1228041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4091, 12273, 28637, 36819, 85911, 200459, 257733, 601377, 1804131]

約数ペア:

[(1, 1804131), (3, 601377), (7, 257733), (9, 200459), (21, 85911), (49, 36819), (63, 28637), (147, 12273), (441, 4091)]