40512009

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 59535360

約数和(自身を除く): 19023351

約数列:

[1, 3, 19, 31, 57, 93, 101, 227, 303, 589, 681, 1767, 1919, 3131, 4313, 5757, 7037, 9393, 12939, 21111, 22927, 59489, 68781, 133703, 178467, 401109, 435613, 710737, 1306839, 2132211, 13504003, 40512009]

約数ペア:

[(1, 40512009), (3, 13504003), (19, 2132211), (31, 1306839), (57, 710737), (93, 435613), (101, 401109), (227, 178467), (303, 133703), (589, 68781), (681, 59489), (1767, 22927), (1919, 21111), (3131, 12939), (4313, 9393), (5757, 7037)]