28264131

素因数分解:

$3^2\times 7^2\times {\mathrm{64091}}^1$

素因数の和:64111

約数の個数: 18

約数和(自身を含む): 47492172

約数和(自身を除く): 19228041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64091, 192273, 448637, 576819, 1345911, 3140459, 4037733, 9421377, 28264131]

約数ペア:

[(1, 28264131), (3, 9421377), (7, 4037733), (9, 3140459), (21, 1345911), (49, 576819), (63, 448637), (147, 192273), (441, 64091)]