208050321

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 294624000

約数和(自身を除く): 86573679

約数列:

[1, 3, 29, 61, 87, 183, 197, 199, 591, 597, 1769, 5307, 5713, 5771, 12017, 12139, 17139, 17313, 36051, 36417, 39203, 117609, 348493, 352031, 1045479, 1056093, 1136887, 2391383, 3410661, 7174149, 69350107, 208050321]

約数ペア:

[(1, 208050321), (3, 69350107), (29, 7174149), (61, 3410661), (87, 2391383), (183, 1136887), (197, 1056093), (199, 1045479), (591, 352031), (597, 348493), (1769, 117609), (5307, 39203), (5713, 36417), (5771, 36051), (12017, 17313), (12139, 17139)]