16389039

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 23743920

約数和(自身を除く): 7354881

約数列:

[1, 3, 19, 37, 57, 111, 361, 409, 703, 1083, 1227, 2109, 7771, 13357, 15133, 23313, 40071, 45399, 147649, 287527, 442947, 862581, 5463013, 16389039]

約数ペア:

[(1, 16389039), (3, 5463013), (19, 862581), (37, 442947), (57, 287527), (111, 147649), (361, 45399), (409, 40071), (703, 23313), (1083, 15133), (1227, 13357), (2109, 7771)]