720842991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{1409}}^1$

素因数の和:1879

約数の個数: 32

約数和(自身を含む): 1080172800

約数和(自身を除く): 359329809

約数列:

[1, 3, 11, 33, 37, 111, 407, 419, 1221, 1257, 1409, 4227, 4609, 13827, 15499, 15503, 46497, 46509, 52133, 156399, 170533, 511599, 573463, 590371, 1720389, 1771113, 6494081, 19482243, 21843727, 65531181, 240280997, 720842991]

約数ペア:

[(1, 720842991), (3, 240280997), (11, 65531181), (33, 21843727), (37, 19482243), (111, 6494081), (407, 1771113), (419, 1720389), (1221, 590371), (1257, 573463), (1409, 511599), (4227, 170533), (4609, 156399), (13827, 52133), (15499, 46509), (15503, 46497)]