30511131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1627}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 50012160

約数和(自身を除く): 19501029

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1627, 2679, 4881, 6251, 11389, 18753, 30913, 34167, 76469, 92739, 216391, 229407, 535283, 649173, 1452911, 1605849, 4358733, 10170377, 30511131]

約数ペア:

[(1, 30511131), (3, 10170377), (7, 4358733), (19, 1605849), (21, 1452911), (47, 649173), (57, 535283), (133, 229407), (141, 216391), (329, 92739), (399, 76469), (893, 34167), (987, 30913), (1627, 18753), (2679, 11389), (4881, 6251)]