408075369

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{6971}}^1$

素因数の和:7085

約数の個数: 32

約数和(自身を含む): 624691200

約数和(自身を除く): 216615831

約数列:

[1, 3, 13, 19, 39, 57, 79, 237, 247, 741, 1027, 1501, 3081, 4503, 6971, 19513, 20913, 58539, 90623, 132449, 271869, 397347, 550709, 1652127, 1721837, 5165511, 7159217, 10463471, 21477651, 31390413, 136025123, 408075369]

約数ペア:

[(1, 408075369), (3, 136025123), (13, 31390413), (19, 21477651), (39, 10463471), (57, 7159217), (79, 5165511), (237, 1721837), (247, 1652127), (741, 550709), (1027, 397347), (1501, 271869), (3081, 132449), (4503, 90623), (6971, 58539), (19513, 20913)]