561132453

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{2689}}^1$

素因数の和:3241

約数の個数: 32

約数和(自身を含む): 902118400

約数和(自身を除く): 340985947

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 523, 1569, 2689, 3661, 8067, 9937, 10983, 18823, 29811, 51091, 56469, 69559, 153273, 208677, 357637, 1072911, 1406347, 4219041, 9844429, 26720593, 29533287, 80161779, 187044151, 561132453]

約数ペア:

[(1, 561132453), (3, 187044151), (7, 80161779), (19, 29533287), (21, 26720593), (57, 9844429), (133, 4219041), (399, 1406347), (523, 1072911), (1569, 357637), (2689, 208677), (3661, 153273), (8067, 69559), (9937, 56469), (10983, 51091), (18823, 29811)]