199939941

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{661}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 314582400

約数和(自身を除く): 114642459

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 659, 661, 1977, 1983, 5931, 5949, 11203, 11237, 17793, 17847, 33609, 33711, 100827, 101133, 302481, 303399, 435599, 1306797, 3920391, 7405183, 11761173, 22215549, 66646647, 199939941]

約数ペア:

[(1, 199939941), (3, 66646647), (9, 22215549), (17, 11761173), (27, 7405183), (51, 3920391), (153, 1306797), (459, 435599), (659, 303399), (661, 302481), (1977, 101133), (1983, 100827), (5931, 33711), (5949, 33609), (11203, 17847), (11237, 17793)]